38401637372472 has 32 divisors (see below), whose sum is σ = 104731738289280. Its totient is φ = 11636859809760.

The previous prime is 38401637372443. The next prime is 38401637372561. The reversal of 38401637372472 is 27427373610483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72730373548 + ... + 72730374075.

It is an arithmetic number, because the mean of its divisors is an integer number (3272866821540).

Almost surely, 2^{38401637372472} is an apocalyptic number.

It is an amenable number.

38401637372472 is an abundant number, since it is smaller than the sum of its proper divisors (66330100916808).

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

38401637372472 is a wasteful number, since it uses less digits than its factorization.

38401637372472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145460747643 (or 145460747639 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 57.

The spelling of 38401637372472 in words is "thirty-eight trillion, four hundred one billion, six hundred thirty-seven million, three hundred seventy-two thousand, four hundred seventy-two".