51029702744 has 128 divisors (see below), whose sum is σ = 103943347200. Its totient is φ = 23428584960.

The previous prime is 51029702707. The next prime is 51029702747. The reversal of 51029702744 is 44720792015.

It is a super-2 number, since 2×51029702744² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51029702747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174162662 + ... + 174162954.

It is an arithmetic number, because the mean of its divisors is an integer number (812057400).

Almost surely, 2^51029702744 is an apocalyptic number.

It is an amenable number.

51029702744 is an abundant number, since it is smaller than the sum of its proper divisors (52913644456).

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

51029702744 is a wasteful number, since it uses less digits than its factorization.

51029702744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 51029702744 in words is "fifty-one billion, twenty-nine million, seven hundred two thousand, seven hundred forty-four".