38256991552 has 42 divisors (see below), whose sum is σ = 81767985054. Its totient is φ = 17654469120.

The previous prime is 38256991517. The next prime is 38256991559. The reversal of 38256991552 is 25519965283.

It can be written as a sum of positive squares in 3 ways, for example, as 658230336 + 37598761216 = 25656^2 + 193904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38256991493 and 38256991502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38256991559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5638402 + ... + 5645182.

It is an arithmetic number, because the mean of its divisors is an integer number (1946856787).

Almost surely, 2^38256991552 is an apocalyptic number.

38256991552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38256991552 is an abundant number, since it is smaller than the sum of its proper divisors (43510993502).

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

38256991552 is an frugal number, since it uses more digits than its factorization.

38256991552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13587 (or 6796 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 55.

The spelling of 38256991552 in words is "thirty-eight billion, two hundred fifty-six million, nine hundred ninety-one thousand, five hundred fifty-two".