38694136400 has 30 divisors (see below), whose sum is σ = 92962663662. Its totient is φ = 15477654400.

The previous prime is 38694136307. The next prime is 38694136417. The reversal of 38694136400 is 463149683.

It can be written as a sum of positive squares in 3 ways, for example, as 675376144 + 38018760256 = 25988^2 + 194984^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 48367271 + ... + 48368070.

Almost surely, 2^38694136400 is an apocalyptic number.

It is an amenable number.

38694136400 is an abundant number, since it is smaller than the sum of its proper divisors (54268527262).

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

38694136400 is a wasteful number, since it uses less digits than its factorization.

38694136400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96735359 (or 96735348 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 38694136400 in words is "thirty-eight billion, six hundred ninety-four million, one hundred thirty-six thousand, four hundred".