Search a number
-
+
40898790240 = 25357111106569
BaseRepresentation
bin100110000101110000…
…100000001101100000
310220120022021210220220
4212011300200031200
51132230042241430
630442203003040
72645336660340
oct460560401540
9126508253826
1040898790240
11163883344a0
127b14b09480
133b1a3443c9
141d9dad0d20
1510e5875110
hex985c20360

40898790240 has 192 divisors, whose sum is σ = 160620848640. Its totient is φ = 8498442240.

The previous prime is 40898790209. The next prime is 40898790253. The reversal of 40898790240 is 4209789804.

It is a super-2 number, since 2×408987902402 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516325 + ... + 590244.

It is an arithmetic number, because the mean of its divisors is an integer number (836566920).

Almost surely, 240898790240 is an apocalyptic number.

40898790240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40898790240 is an abundant number, since it is smaller than the sum of its proper divisors (119722058400).

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

40898790240 is a wasteful number, since it uses less digits than its factorization.

40898790240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106605 (or 1106597 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

It can be divided in two parts, 40898 and 790240, that added together give a palindrome (831138).

The spelling of 40898790240 in words is "forty billion, eight hundred ninety-eight million, seven hundred ninety thousand, two hundred forty".