476912640 has 176 divisors, whose sum is σ = 1553427360. Its totient is φ = 124846080.

The previous prime is 476912629. The next prime is 476912663. The reversal of 476912640 is 46219674.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936706 + ... + 937214.

Almost surely, 2^476912640 is an apocalyptic number.

476912640 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 476912640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776713680).

476912640 is an abundant number, since it is smaller than the sum of its proper divisors (1076514720).

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

476912640 is a wasteful number, since it uses less digits than its factorization.

476912640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 476912640 is about 21838.3296064511. The cubic root of 476912640 is about 781.2912209504.

The spelling of 476912640 in words is "four hundred seventy-six million, nine hundred twelve thousand, six hundred forty".