512352140 has 24 divisors (see below), whose sum is σ = 1122720480. Its totient is φ = 196030208.

The previous prime is 512352131. The next prime is 512352199. The reversal of 512352140 is 41253215.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556445 + ... + 557364.

It is an arithmetic number, because the mean of its divisors is an integer number (46780020).

Almost surely, 2^512352140 is an apocalyptic number.

It is an amenable number.

512352140 is an abundant number, since it is smaller than the sum of its proper divisors (610368340).

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

512352140 is a wasteful number, since it uses less digits than its factorization.

512352140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113841 (or 1113839 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 512352140 is about 22635.1969286772. The cubic root of 512352140 is about 800.1833642187.

The spelling of 512352140 in words is "five hundred twelve million, three hundred fifty-two thousand, one hundred forty".