477646641630 has 48 divisors (see below), whose sum is σ = 1245460258224. Its totient is φ = 127005361920.

The previous prime is 477646641623. The next prime is 477646641721. The reversal of 477646641630 is 36146646774.

477646641630 is a `hidden beast` number, since 47 + 76 + 466 + 41 + 6 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7616011 + ... + 7678470.

It is an arithmetic number, because the mean of its divisors is an integer number (25947088713).

Almost surely, 2^477646641630 is an apocalyptic number.

477646641630 is an abundant number, since it is smaller than the sum of its proper divisors (767813616594).

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

477646641630 is a wasteful number, since it uses less digits than its factorization.

477646641630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15294841 (or 15294838 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 477646641630 in words is "four hundred seventy-seven billion, six hundred forty-six million, six hundred forty-one thousand, six hundred thirty".