38972662992 has 240 divisors, whose sum is σ = 115641527040. Its totient is φ = 12237308928.

The previous prime is 38972662973. The next prime is 38972663017. The reversal of 38972662992 is 29926627983.

38972662992 is a `hidden beast` number, since 3 + 89 + 7 + 266 + 299 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22307463 + ... + 22309209.

It is an arithmetic number, because the mean of its divisors is an integer number (481839696).

Almost surely, 2^38972662992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38972662992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57820763520).

38972662992 is an abundant number, since it is smaller than the sum of its proper divisors (76668864048).

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

38972662992 is a wasteful number, since it uses less digits than its factorization.

38972662992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1921 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 38972662992 in words is "thirty-eight billion, nine hundred seventy-two million, six hundred sixty-two thousand, nine hundred ninety-two".