475957890 has 64 divisors (see below), whose sum is σ = 1273910400. Its totient is φ = 126453312.

The previous prime is 475957877. The next prime is 475957901. The reversal of 475957890 is 98759574.

475957890 is a `hidden beast` number, since 47 + 595 + 7 + 8 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73296 + ... + 79524.

It is an arithmetic number, because the mean of its divisors is an integer number (19904850).

Almost surely, 2^475957890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475957890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636955200).

475957890 is an abundant number, since it is smaller than the sum of its proper divisors (797952510).

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

475957890 is a wasteful number, since it uses less digits than its factorization.

475957890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528 (or 6522 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The square root of 475957890 is about 21816.4591535840. The cubic root of 475957890 is about 780.7695068676.

The spelling of 475957890 in words is "four hundred seventy-five million, nine hundred fifty-seven thousand, eight hundred ninety".