38154776832 has 108 divisors (see below), whose sum is σ = 110618624844. Its totient is φ = 12647854080.

The previous prime is 38154776809. The next prime is 38154776857. The reversal of 38154776832 is 23867745183.

It is a happy number.

38154776832 is a `hidden beast` number, since 3 + 8 + 1 + 547 + 7 + 68 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18938163456 + 19216613376 = 137616^2 + 138624^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 371278 + ... + 462770.

Almost surely, 2^38154776832 is an apocalyptic number.

38154776832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38154776832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55309312422).

38154776832 is an abundant number, since it is smaller than the sum of its proper divisors (72463848012).

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

38154776832 is a wasteful number, since it uses less digits than its factorization.

38154776832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91696 (or 91679 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 38154776832 in words is "thirty-eight billion, one hundred fifty-four million, seven hundred seventy-six thousand, eight hundred thirty-two".