479534861388 has 72 divisors (see below), whose sum is σ = 1230027681456. Its totient is φ = 145296314240.

The previous prime is 479534861387. The next prime is 479534861413. The reversal of 479534861388 is 883168435974.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (479534861387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17696506 + ... + 17723582.

It is an arithmetic number, because the mean of its divisors is an integer number (17083717798).

Almost surely, 2^479534861388 is an apocalyptic number.

It is an amenable number.

479534861388 is an abundant number, since it is smaller than the sum of its proper divisors (750492820068).

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

479534861388 is a wasteful number, since it uses less digits than its factorization.

479534861388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39303 (or 39290 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 66.

The spelling of 479534861388 in words is "four hundred seventy-nine billion, five hundred thirty-four million, eight hundred sixty-one thousand, three hundred eighty-eight".