476839440 has 640 divisors, whose sum is σ = 2125578240. Its totient is φ = 95385600.

The previous prime is 476839423. The next prime is 476839453. The reversal of 476839440 is 44938674.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7817010 + ... + 7817070.

It is an arithmetic number, because the mean of its divisors is an integer number (3321216).

Almost surely, 2^476839440 is an apocalyptic number.

476839440 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 476839440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062789120).

476839440 is an abundant number, since it is smaller than the sum of its proper divisors (1648738800).

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

476839440 is a wasteful number, since it uses less digits than its factorization.

476839440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 476839440 is about 21836.6535897788. The cubic root of 476839440 is about 781.2512461633.

The spelling of 476839440 in words is "four hundred seventy-six million, eight hundred thirty-nine thousand, four hundred forty".