51426449539360 has 192 divisors, whose sum is σ = 141224411865600. Its totient is φ = 17333032550400.

The previous prime is 51426449539321. The next prime is 51426449539393. The reversal of 51426449539360 is 6393594462415.

It is an unprimeable number.

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, 14598885 + ... + 17775835.

It is an arithmetic number, because the mean of its divisors is an integer number (735543811800).

Almost surely, 2^{51426449539360} 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 51426449539360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70612205932800).

51426449539360 is an abundant number, since it is smaller than the sum of its proper divisors (89797962326240).

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

51426449539360 is a wasteful number, since it uses less digits than its factorization.

51426449539360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177219 (or 3177211 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 61.

The spelling of 51426449539360 in words is "fifty-one trillion, four hundred twenty-six billion, four hundred forty-nine million, five hundred thirty-nine thousand, three hundred sixty".