512055302440 has 32 divisors (see below), whose sum is σ = 1256863016160. Its totient is φ = 186201928000.

The previous prime is 512055302401. The next prime is 512055302459. The reversal of 512055302440 is 44203550215.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581880586 + ... + 581881465.

It is an arithmetic number, because the mean of its divisors is an integer number (39276969255).

Almost surely, 2^512055302440 is an apocalyptic number.

It is an amenable number.

512055302440 is an abundant number, since it is smaller than the sum of its proper divisors (744807713720).

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

512055302440 is a wasteful number, since it uses less digits than its factorization.

512055302440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163762073 (or 1163762069 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 512055302440 its reverse (44203550215), we get a palindrome (556258852655).

The spelling of 512055302440 in words is "five hundred twelve billion, fifty-five million, three hundred two thousand, four hundred forty".