515046046432 has 48 divisors (see below), whose sum is σ = 1037418701760. Its totient is φ = 251641847808.

The previous prime is 515046046397. The next prime is 515046046433. The reversal of 515046046432 is 234640640515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515046046433) by changing a digit.

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, 804973 + ... + 1295404.

It is an arithmetic number, because the mean of its divisors is an integer number (21612889620).

Almost surely, 2^515046046432 is an apocalyptic number.

It is an amenable number.

515046046432 is an abundant number, since it is smaller than the sum of its proper divisors (522372655328).

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

515046046432 is a wasteful number, since it uses less digits than its factorization.

515046046432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100563 (or 2100555 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 515046046432 its reverse (234640640515), we get a palindrome (749686686947).

The spelling of 515046046432 in words is "five hundred fifteen billion, forty-six million, forty-six thousand, four hundred thirty-two".