475375640 has 16 divisors (see below), whose sum is σ = 1069595280. Its totient is φ = 190150240.

The previous prime is 475375631. The next prime is 475375643. The reversal of 475375640 is 46573574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475375643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5942156 + ... + 5942235.

It is an arithmetic number, because the mean of its divisors is an integer number (66849705).

Almost surely, 2^475375640 is an apocalyptic number.

475375640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

475375640 is an abundant number, since it is smaller than the sum of its proper divisors (594219640).

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

475375640 is a wasteful number, since it uses less digits than its factorization.

475375640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11884402 (or 11884398 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 41.

The square root of 475375640 is about 21803.1107872248. The cubic root of 475375640 is about 780.4509993159.

The spelling of 475375640 in words is "four hundred seventy-five million, three hundred seventy-five thousand, six hundred forty".