38459999956 has 36 divisors (see below), whose sum is σ = 81181517088. Its totient is φ = 15615334224.

The previous prime is 38459999951. The next prime is 38459999969. The reversal of 38459999956 is 65999995483.

It is a Harshad number since it is a multiple of its sum of digits (76).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38459999951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1892346 + ... + 1912561.

Almost surely, 2^38459999956 is an apocalyptic number.

It is an amenable number.

38459999956 is an abundant number, since it is smaller than the sum of its proper divisors (42721517132).

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

38459999956 is a wasteful number, since it uses less digits than its factorization.

38459999956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804956 (or 3804935 counting only the distinct ones).

The product of its digits is 850305600, while the sum is 76.

The spelling of 38459999956 in words is "thirty-eight billion, four hundred fifty-nine million, nine hundred ninety-nine thousand, nine hundred fifty-six".