475004640 has 96 divisors (see below), whose sum is σ = 1632306816. Its totient is φ = 115151360.

The previous prime is 475004623. The next prime is 475004681. The reversal of 475004640 is 46400574.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 475004598 and 475004607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39702 + ... + 50261.

It is an arithmetic number, because the mean of its divisors is an integer number (17003196).

Almost surely, 2^475004640 is an apocalyptic number.

475004640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475004640 is an abundant number, since it is smaller than the sum of its proper divisors (1157302176).

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

475004640 is a wasteful number, since it uses less digits than its factorization.

475004640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89992 (or 89984 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 475004640 is about 21794.6011663439. The cubic root of 475004640 is about 780.2479159341.

The spelling of 475004640 in words is "four hundred seventy-five million, four thousand, six hundred forty".