38994918220 has 24 divisors (see below), whose sum is σ = 82478466000. Its totient is φ = 15485750592.

The previous prime is 38994918211. The next prime is 38994918239. The reversal of 38994918220 is 2281949983.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 7010695 + ... + 7016254.

It is an arithmetic number, because the mean of its divisors is an integer number (3436602750).

Almost surely, 2^38994918220 is an apocalyptic number.

It is an amenable number.

38994918220 is an abundant number, since it is smaller than the sum of its proper divisors (43483547780).

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

38994918220 is a wasteful number, since it uses less digits than its factorization.

38994918220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14027097 (or 14027095 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 38994918220 in words is "thirty-eight billion, nine hundred ninety-four million, nine hundred eighteen thousand, two hundred twenty".