478900420464 has 40 divisors (see below), whose sum is σ = 1237222625680. Its totient is φ = 159625317888.

The previous prime is 478900420457. The next prime is 478900420511. The reversal of 478900420464 is 464024009874.

It is a super-2 number, since 2×478900420464² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 734004 + ... + 1223340.

It is an arithmetic number, because the mean of its divisors is an integer number (30930565642).

Almost surely, 2^478900420464 is an apocalyptic number.

It is an amenable number.

478900420464 is an abundant number, since it is smaller than the sum of its proper divisors (758322205216).

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

478900420464 is a wasteful number, since it uses less digits than its factorization.

478900420464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509737 (or 509731 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 478900420464 in words is "four hundred seventy-eight billion, nine hundred million, four hundred twenty thousand, four hundred sixty-four".