38994491763072 has 48 divisors (see below), whose sum is σ = 112210711977780. Its totient is φ = 12998163920640.

The previous prime is 38994491763067. The next prime is 38994491763089. The reversal of 38994491763072 is 27036719449983.

It is a happy number.

38994491763072 is a `hidden beast` number, since 3 + 8 + 9 + 9 + 4 + 491 + 7 + 63 + 0 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16924691454 + ... + 16924693757.

Almost surely, 2^{38994491763072} is an apocalyptic number.

38994491763072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38994491763072 is an abundant number, since it is smaller than the sum of its proper divisors (73216220214708).

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

38994491763072 is a wasteful number, since it uses less digits than its factorization.

38994491763072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33849385231 (or 33849385216 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 72.

The spelling of 38994491763072 in words is "thirty-eight trillion, nine hundred ninety-four billion, four hundred ninety-one million, seven hundred sixty-three thousand, seventy-two".