475992090 has 96 divisors (see below), whose sum is σ = 1418466816. Its totient is φ = 108483840.

The previous prime is 475992067. The next prime is 475992103. The reversal of 475992090 is 90299574.

475992090 is a `hidden beast` number, since 475 + 9 + 92 + 0 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 270654 + ... + 272406.

It is an arithmetic number, because the mean of its divisors is an integer number (14775696).

Almost surely, 2^475992090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475992090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709233408).

475992090 is an abundant number, since it is smaller than the sum of its proper divisors (942474726).

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

475992090 is a wasteful number, since it uses less digits than its factorization.

475992090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 475992090 is about 21817.2429513905. The cubic root of 475992090 is about 780.7882071758.

The spelling of 475992090 in words is "four hundred seventy-five million, nine hundred ninety-two thousand, ninety".