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43044144040 = 23510710639461
BaseRepresentation
bin101000000101101000…
…011000001110101000
311010002211011002002001
4220011220120032220
51201123300102130
631435121220344
73052450121212
oct500550301650
9133084132061
1043044144040
111728932a567
1284134916b4
13409c951921
1421249c55b2
1511bdd9a6ca
hexa05a183a8

43044144040 has 64 divisors (see below), whose sum is σ = 97856760960. Its totient is φ = 17038897920.

The previous prime is 43044144001. The next prime is 43044144047. The reversal of 43044144040 is 4044144034.

It is a super-2 number, since 2×430441440402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43044144047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4544910 + ... + 4554370.

It is an arithmetic number, because the mean of its divisors is an integer number (1529011890).

Almost surely, 243044144040 is an apocalyptic number.

43044144040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43044144040 is an abundant number, since it is smaller than the sum of its proper divisors (54812616920).

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

43044144040 is a wasteful number, since it uses less digits than its factorization.

43044144040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642 (or 10638 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 43044144040 its reverse (4044144034), we get a palindrome (47088288074).

The spelling of 43044144040 in words is "forty-three billion, forty-four million, one hundred forty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 107 214 428 535 856 1063 1070 2126 2140 4252 4280 5315 8504 9461 10630 18922 21260 37844 42520 47305 75688 94610 113741 189220 227482 378440 454964 568705 909928 1012327 1137410 2024654 2274820 4049308 4549640 5061635 8098616 10057043 10123270 20114086 20246540 40228172 40493080 50285215 80456344 100570430 201140860 402281720 1076103601 2152207202 4304414404 5380518005 8608828808 10761036010 21522072020 43044144040