38400120634216 has 64 divisors (see below), whose sum is σ = 79657752706560. Its totient is φ = 17207513400000.

The previous prime is 38400120634181. The next prime is 38400120634259. The reversal of 38400120634216 is 61243602100483.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88824615 + ... + 89255881.

It is an arithmetic number, because the mean of its divisors is an integer number (1244652386040).

Almost surely, 2^{38400120634216} is an apocalyptic number.

It is an amenable number.

38400120634216 is an abundant number, since it is smaller than the sum of its proper divisors (41257632072344).

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

38400120634216 is a wasteful number, since it uses less digits than its factorization.

38400120634216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445606 (or 445602 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

Adding to 38400120634216 its reverse (61243602100483), we get a palindrome (99643722734699).

The spelling of 38400120634216 in words is "thirty-eight trillion, four hundred billion, one hundred twenty million, six hundred thirty-four thousand, two hundred sixteen".