479567639390 has 128 divisors (see below), whose sum is σ = 1035133655040. Its totient is φ = 156405984768.

The previous prime is 479567639339. The next prime is 479567639407. The reversal of 479567639390 is 93936765974.

It is a self number, because there is not a number n which added to its sum of digits gives 479567639390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287337476 + ... + 287339144.

It is an arithmetic number, because the mean of its divisors is an integer number (8086981680).

Almost surely, 2^479567639390 is an apocalyptic number.

479567639390 is an abundant number, since it is smaller than the sum of its proper divisors (555566015650).

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

479567639390 is a wasteful number, since it uses less digits than its factorization.

479567639390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586.

The product of its (nonzero) digits is 231472080, while the sum is 68.

The spelling of 479567639390 in words is "four hundred seventy-nine billion, five hundred sixty-seven million, six hundred thirty-nine thousand, three hundred ninety".