512605140 has 48 divisors (see below), whose sum is σ = 1497702528. Its totient is φ = 130751104.

The previous prime is 512605129. The next prime is 512605151. The reversal of 512605140 is 41506215.

It is an interprime number because it is at equal distance from previous prime (512605129) and next prime (512605151).

It is a self number, because there is not a number n which added to its sum of digits gives 512605140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184347 + ... + 187106.

It is an arithmetic number, because the mean of its divisors is an integer number (31202136).

Almost surely, 2^512605140 is an apocalyptic number.

It is an amenable number.

512605140 is an abundant number, since it is smaller than the sum of its proper divisors (985097388).

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

512605140 is a wasteful number, since it uses less digits than its factorization.

512605140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371488 (or 371486 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 512605140 is about 22640.7848803879. The cubic root of 512605140 is about 800.3150529941.

The spelling of 512605140 in words is "five hundred twelve million, six hundred five thousand, one hundred forty".