51458459744988 has 48 divisors (see below), whose sum is σ = 133422923208960. Its totient is φ = 17151263988912.

The previous prime is 51458459744929. The next prime is 51458459744999. The reversal of 51458459744988 is 88944795485415.

51458459744988 is a `hidden beast` number, since 5 + 1 + 4 + 5 + 8 + 4 + 5 + 97 + 449 + 88 = 666.

It is a super-2 number, since 2×51458459744988² (a number of 28 digits) contains 22 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, 20413656 + ... + 22795487.

It is an arithmetic number, because the mean of its divisors is an integer number (2779644233520).

Almost surely, 2^{51458459744988} is an apocalyptic number.

It is an amenable number.

51458459744988 is an abundant number, since it is smaller than the sum of its proper divisors (81964463463972).

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

51458459744988 is a wasteful number, since it uses less digits than its factorization.

51458459744988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43220183 (or 43220175 counting only the distinct ones).

The product of its digits is 9289728000, while the sum is 81.

The spelling of 51458459744988 in words is "fifty-one trillion, four hundred fifty-eight billion, four hundred fifty-nine million, seven hundred forty-four thousand, nine hundred eighty-eight".