51073740024 has 64 divisors (see below), whose sum is σ = 131394074400. Its totient is φ = 16531766784.

The previous prime is 51073740019. The next prime is 51073740043. The reversal of 51073740024 is 42004737015.

It is a Cunningham number, because it is equal to 225995²-1.

It is a super-3 number, since 3×51073740024³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395494 + ... + 508490.

Almost surely, 2^51073740024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51073740024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65697037200).

51073740024 is an abundant number, since it is smaller than the sum of its proper divisors (80320334376).

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

51073740024 is a wasteful number, since it uses less digits than its factorization.

51073740024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113552 (or 113548 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The spelling of 51073740024 in words is "fifty-one billion, seventy-three million, seven hundred forty thousand, twenty-four".