512452404 has 36 divisors (see below), whose sum is σ = 1296231300. Its totient is φ = 170703360.

The previous prime is 512452387. The next prime is 512452441. The reversal of 512452404 is 404254215.

It can be written as a sum of positive squares in 2 ways, for example, as 7551504 + 504900900 = 2748^2 + 22470^2 .

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

It is a congruent number.

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, 63172 + ... + 70820.

It is an arithmetic number, because the mean of its divisors is an integer number (36006425).

Almost surely, 2^512452404 is an apocalyptic number.

It is an amenable number.

512452404 is an abundant number, since it is smaller than the sum of its proper divisors (783778896).

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

512452404 is a wasteful number, since it uses less digits than its factorization.

512452404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520 (or 9515 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 512452404 is about 22637.4116011526. The cubic root of 512452404 is about 800.2355577172.

The spelling of 512452404 in words is "five hundred twelve million, four hundred fifty-two thousand, four hundred four".