477638740 has 48 divisors (see below), whose sum is σ = 1019450880. Its totient is φ = 187948800.

The previous prime is 477638699. The next prime is 477638741. The reversal of 477638740 is 47836774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477638741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794440 + ... + 795040.

It is an arithmetic number, because the mean of its divisors is an integer number (21238560).

Almost surely, 2^477638740 is an apocalyptic number.

It is an amenable number.

477638740 is an abundant number, since it is smaller than the sum of its proper divisors (541812140).

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

477638740 is a wasteful number, since it uses less digits than its factorization.

477638740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1190 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 46.

The square root of 477638740 is about 21854.9477235705. The cubic root of 477638740 is about 781.6875254644.

The spelling of 477638740 in words is "four hundred seventy-seven million, six hundred thirty-eight thousand, seven hundred forty".