51442072403028 has 96 divisors (see below), whose sum is σ = 121532366075904. Its totient is φ = 16934028521088.

The previous prime is 51442072403023. The next prime is 51442072403063. The reversal of 51442072403028 is 82030427024415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51442072403023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572825826 + ... + 572915622.

It is an arithmetic number, because the mean of its divisors is an integer number (1265962146624).

Almost surely, 2^{51442072403028} is an apocalyptic number.

It is an amenable number.

51442072403028 is an abundant number, since it is smaller than the sum of its proper divisors (70090293672876).

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

51442072403028 is a wasteful number, since it uses less digits than its factorization.

51442072403028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91301 (or 91299 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 51442072403028 in words is "fifty-one trillion, four hundred forty-two billion, seventy-two million, four hundred three thousand, twenty-eight".