475581440264 has 16 divisors (see below), whose sum is σ = 1019103086400. Its totient is φ = 203820617232.

The previous prime is 475581440251. The next prime is 475581440281. The reversal of 475581440264 is 462044185574.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4246262804 + ... + 4246262915.

It is an arithmetic number, because the mean of its divisors is an integer number (63693942900).

Almost surely, 2^475581440264 is an apocalyptic number.

It is an amenable number.

475581440264 is an abundant number, since it is smaller than the sum of its proper divisors (543521646136).

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

475581440264 is a wasteful number, since it uses less digits than its factorization.

475581440264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492525732 (or 8492525728 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 475581440264 in words is "four hundred seventy-five billion, five hundred eighty-one million, four hundred forty thousand, two hundred sixty-four".