38471867940 has 48 divisors (see below), whose sum is σ = 117514071360. Its totient is φ = 9326513280.

The previous prime is 38471867933. The next prime is 38471867947. The reversal of 38471867940 is 4976817483.

It is an interprime number because it is at equal distance from previous prime (38471867933) and next prime (38471867947).

It is not an unprimeable number, because it can be changed into a prime (38471867947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29144695 + ... + 29146014.

It is an arithmetic number, because the mean of its divisors is an integer number (2448209820).

Almost surely, 2^38471867940 is an apocalyptic number.

38471867940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38471867940 is an abundant number, since it is smaller than the sum of its proper divisors (79042203420).

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

38471867940 is a wasteful number, since it uses less digits than its factorization.

38471867940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58290732 (or 58290730 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 38471867940 in words is "thirty-eight billion, four hundred seventy-one million, eight hundred sixty-seven thousand, nine hundred forty".