51632369472 has 28 divisors (see below), whose sum is σ = 136610644736. Its totient is φ = 17210789760.

The previous prime is 51632369431. The next prime is 51632369483. The reversal of 51632369472 is 27496323615.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134459104 + ... + 134459487.

Almost surely, 2^51632369472 is an apocalyptic number.

It is an amenable number.

51632369472 is an abundant number, since it is smaller than the sum of its proper divisors (84978275264).

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

51632369472 is a wasteful number, since it uses less digits than its factorization.

51632369472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268918606 (or 268918596 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The spelling of 51632369472 in words is "fifty-one billion, six hundred thirty-two million, three hundred sixty-nine thousand, four hundred seventy-two".