512621303432 has 32 divisors (see below), whose sum is σ = 1107123640320. Its totient is φ = 217964960640.

The previous prime is 512621303431. The next prime is 512621303479. The reversal of 512621303432 is 234303126215.

It is a super-2 number, since 2×512621303432² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512621303431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36032069 + ... + 36046292.

It is an arithmetic number, because the mean of its divisors is an integer number (34597613760).

Almost surely, 2^512621303432 is an apocalyptic number.

It is an amenable number.

512621303432 is an abundant number, since it is smaller than the sum of its proper divisors (594502336888).

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

512621303432 is a wasteful number, since it uses less digits than its factorization.

512621303432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72078501 (or 72078497 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 512621303432 its reverse (234303126215), we get a palindrome (746924429647).

The spelling of 512621303432 in words is "five hundred twelve billion, six hundred twenty-one million, three hundred three thousand, four hundred thirty-two".