476816640 has 72 divisors (see below), whose sum is σ = 1522845408. Its totient is φ = 127150080.

The previous prime is 476816623. The next prime is 476816651. The reversal of 476816640 is 46618674.

It is a junction number, because it is equal to n+sod(n) for n = 476816592 and 476816601.

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, 58246 + ... + 65925.

Almost surely, 2^476816640 is an apocalyptic number.

476816640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

476816640 is an abundant number, since it is smaller than the sum of its proper divisors (1046028768).

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

476816640 is a wasteful number, since it uses less digits than its factorization.

476816640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124195 (or 124181 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 476816640 is about 21836.1315255244. The cubic root of 476816640 is about 781.2387941646.

The spelling of 476816640 in words is "four hundred seventy-six million, eight hundred sixteen thousand, six hundred forty".