38945691732 has 24 divisors (see below), whose sum is σ = 90893203072. Its totient is φ = 12979051200.

The previous prime is 38945691677. The next prime is 38945691749. The reversal of 38945691732 is 23719654983.

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, 298369 + ... + 408552.

Almost surely, 2^38945691732 is an apocalyptic number.

It is an amenable number.

38945691732 is an abundant number, since it is smaller than the sum of its proper divisors (51947511340).

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

38945691732 is a wasteful number, since it uses less digits than its factorization.

38945691732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711519 (or 711517 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 38945691732 in words is "thirty-eight billion, nine hundred forty-five million, six hundred ninety-one thousand, seven hundred thirty-two".