38787336352644 has 48 divisors (see below), whose sum is σ = 98839778881536. Its totient is φ = 11740836234400.

The previous prime is 38787336352643. The next prime is 38787336352693. The reversal of 38787336352644 is 44625363378783.

It is a super-2 number, since 2×38787336352644² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38787336352643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161154972 + ... + 161395475.

It is an arithmetic number, because the mean of its divisors is an integer number (2059162060032).

Almost surely, 2^{38787336352644} is an apocalyptic number.

It is an amenable number.

38787336352644 is an abundant number, since it is smaller than the sum of its proper divisors (60052442528892).

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

38787336352644 is a wasteful number, since it uses less digits than its factorization.

38787336352644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322551376 (or 322551374 counting only the distinct ones).

The product of its digits is 1463132160, while the sum is 69.

The spelling of 38787336352644 in words is "thirty-eight trillion, seven hundred eighty-seven billion, three hundred thirty-six million, three hundred fifty-two thousand, six hundred forty-four".