512638144 has 28 divisors (see below), whose sum is σ = 1033950688. Its totient is φ = 252115200.

The previous prime is 512638141. The next prime is 512638151. The reversal of 512638144 is 441836215.

It is not an unprimeable number, because it can be changed into a prime (512638141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61752 + ... + 69559.

Almost surely, 2^512638144 is an apocalyptic number.

It is an amenable number.

512638144 is an abundant number, since it is smaller than the sum of its proper divisors (521312544).

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

512638144 is a wasteful number, since it uses less digits than its factorization.

512638144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131384 (or 131374 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 512638144 is about 22641.5137303141. The cubic root of 512638144 is about 800.3322286777.

The spelling of 512638144 in words is "five hundred twelve million, six hundred thirty-eight thousand, one hundred forty-four".