476867840 has 72 divisors (see below), whose sum is σ = 1173235560. Its totient is φ = 185573376.

The previous prime is 476867821. The next prime is 476867861. The reversal of 476867840 is 48768674.

It can be written as a sum of positive squares in 4 ways, for example, as 79423744 + 397444096 = 8912^2 + 19936^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42326 + ... + 52394.

Almost surely, 2^476867840 is an apocalyptic number.

476867840 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 476867840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586617780).

476867840 is an abundant number, since it is smaller than the sum of its proper divisors (696367720).

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

476867840 is a wasteful number, since it uses less digits than its factorization.

476867840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10127 (or 10113 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The square root of 476867840 is about 21837.3038628856. The cubic root of 476867840 is about 781.2667559926.

The spelling of 476867840 in words is "four hundred seventy-six million, eight hundred sixty-seven thousand, eight hundred forty".