Search a number
-
+
40440880004480 = 275132747617841
BaseRepresentation
bin10010011000111111000000…
…10010010111110110000000
312022012002222110102210000022
421030133200102113312000
520300040410240120410
6222002141144513012
711342520464204204
oct1114374022276600
9168162873383008
1040440880004480
111198197651a93a
124651868a7b768
1319747353a0667
149db4c5a7cb04
154a1e604c9455
hex24c7e0497d80

40440880004480 has 64 divisors (see below), whose sum is σ = 96751836089280. Its totient is φ = 16164161495040.

The previous prime is 40440880004453. The next prime is 40440880004489. The reversal of 40440880004480 is 8440008804404.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440880004489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22959641 + ... + 24658200.

It is an arithmetic number, because the mean of its divisors is an integer number (1511747438895).

Almost surely, 240440880004480 is an apocalyptic number.

40440880004480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40440880004480 is an abundant number, since it is smaller than the sum of its proper divisors (56310956084800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40440880004480 is a wasteful number, since it uses less digits than its factorization.

40440880004480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47619187 (or 47619175 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

Adding to 40440880004480 its reverse (8440008804404), we get a palindrome (48880888808884).

The spelling of 40440880004480 in words is "forty trillion, four hundred forty billion, eight hundred eighty million, four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1327 2654 5308 6635 10616 13270 21232 26540 42464 53080 84928 106160 169856 212320 424640 849280 47617841 95235682 190471364 238089205 380942728 476178410 761885456 952356820 1523770912 1904713640 3047541824 3809427280 6095083648 7618854560 15237709120 30475418240 63188875007 126377750014 252755500028 315944375035 505511000056 631888750070 1011022000112 1263777500140 2022044000224 2527555000280 4044088000448 5055110000560 8088176000896 10110220001120 20220440002240 40440880004480