476765640 has 96 divisors (see below), whose sum is σ = 1668696120. Its totient is φ = 117356544.

The previous prime is 476765633. The next prime is 476765659. The reversal of 476765640 is 46567674.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 223382916 + 253382724 = 14946^2 + 15918^2 .

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 23 ways as a sum of consecutive naturals, for example, 46257 + ... + 55616.

Almost surely, 2^476765640 is an apocalyptic number.

476765640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

476765640 is an abundant number, since it is smaller than the sum of its proper divisors (1191930480).

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

476765640 is a wasteful number, since it uses less digits than its factorization.

476765640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101903 (or 101896 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 476765640 is about 21834.9637050305. The cubic root of 476765640 is about 781.2109395724.

It can be divided in two parts, 4767 and 65640, that added together give a palindrome (70407).

The spelling of 476765640 in words is "four hundred seventy-six million, seven hundred sixty-five thousand, six hundred forty".