475869840 has 160 divisors (see below), whose sum is σ = 1535901696. Its totient is φ = 121751040.

The previous prime is 475869829. The next prime is 475869907. The reversal of 475869840 is 48968574.

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, 1242289 + ... + 1242671.

Almost surely, 2^475869840 is an apocalyptic number.

475869840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475869840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767950848).

475869840 is an abundant number, since it is smaller than the sum of its proper divisors (1060031856).

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

475869840 is a wasteful number, since it uses less digits than its factorization.

475869840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 475869840 is about 21814.4410884166. The cubic root of 475869840 is about 780.7213576537.

The spelling of 475869840 in words is "four hundred seventy-five million, eight hundred sixty-nine thousand, eight hundred forty".