38922971340 has 96 divisors (see below), whose sum is σ = 121657003776. Its totient is φ = 9216426240.

The previous prime is 38922971327. The next prime is 38922971467. The reversal of 38922971340 is 4317922983.

It is a super-2 number, since 2×38922971340² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38922971340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657367 + ... + 714126.

It is an arithmetic number, because the mean of its divisors is an integer number (1267260456).

Almost surely, 2^38922971340 is an apocalyptic number.

38922971340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38922971340 is an abundant number, since it is smaller than the sum of its proper divisors (82734032436).

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

38922971340 is a wasteful number, since it uses less digits than its factorization.

38922971340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371559 (or 1371557 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 38922971340 in words is "thirty-eight billion, nine hundred twenty-two million, nine hundred seventy-one thousand, three hundred forty".