512641476 has 36 divisors (see below), whose sum is σ = 1296539244. Its totient is φ = 170788800.

The previous prime is 512641447. The next prime is 512641487. The reversal of 512641476 is 674146215.

512641476 is a `hidden beast` number, since 5 + 1 + 2 + 641 + 4 + 7 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 411035076 + 101606400 = 20274^2 + 10080^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 512641476.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113746 + ... + 118166.

It is an arithmetic number, because the mean of its divisors is an integer number (36014979).

Almost surely, 2^512641476 is an apocalyptic number.

It is an amenable number.

512641476 is an abundant number, since it is smaller than the sum of its proper divisors (783897768).

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

512641476 is a wasteful number, since it uses less digits than its factorization.

512641476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652 (or 7647 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 512641476 is about 22641.5873118472. The cubic root of 512641476 is about 800.3339626501. Note that the first 3 decimals are identical.

The spelling of 512641476 in words is "five hundred twelve million, six hundred forty-one thousand, four hundred seventy-six".