51633107240 has 128 divisors (see below), whose sum is σ = 143668425600. Its totient is φ = 16419179520.

The previous prime is 51633107233. The next prime is 51633107243. The reversal of 51633107240 is 4270133615.

It is a junction number, because it is equal to n+sod(n) for n = 51633107197 and 51633107206.

It is not an unprimeable number, because it can be changed into a prime (51633107243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128867 + ... + 346226.

It is an arithmetic number, because the mean of its divisors is an integer number (1122409575).

Almost surely, 2^51633107240 is an apocalyptic number.

It is an amenable number.

51633107240 is an abundant number, since it is smaller than the sum of its proper divisors (92035318360).

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

51633107240 is a wasteful number, since it uses less digits than its factorization.

51633107240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475147 (or 475143 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 51633107240 in words is "fifty-one billion, six hundred thirty-three million, one hundred seven thousand, two hundred forty".