512472140 has 36 divisors (see below), whose sum is σ = 1143233616. Its totient is φ = 192928512.

The previous prime is 512472127. The next prime is 512472143. The reversal of 512472140 is 41274215.

It is not an unprimeable number, because it can be changed into a prime (512472143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38552 + ... + 50111.

Almost surely, 2^512472140 is an apocalyptic number.

It is an amenable number.

512472140 is an abundant number, since it is smaller than the sum of its proper divisors (630761476).

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

512472140 is a wasteful number, since it uses less digits than its factorization.

512472140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88706 (or 88687 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 512472140 is about 22637.8475125176. The cubic root of 512472140 is about 800.2458307013.

The spelling of 512472140 in words is "five hundred twelve million, four hundred seventy-two thousand, one hundred forty".