51442058247044 has 12 divisors (see below), whose sum is σ = 90116697701184. Its totient is φ = 25694430332424.

The previous prime is 51442058247043. The next prime is 51442058247101. The reversal of 51442058247044 is 44074285024415.

It is a super-2 number, since 2×51442058247044² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51442058246983 and 51442058247001.

It is not an unprimeable number, because it can be changed into a prime (51442058247043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6649693424 + ... + 6649701159.

It is an arithmetic number, because the mean of its divisors is an integer number (7509724808432).

Almost surely, 2^{51442058247044} is an apocalyptic number.

It is an amenable number.

51442058247044 is a deficient number, since it is larger than the sum of its proper divisors (38674639454140).

51442058247044 is a wasteful number, since it uses less digits than its factorization.

51442058247044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299395554 (or 13299395552 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 50.

The spelling of 51442058247044 in words is "fifty-one trillion, four hundred forty-two billion, fifty-eight million, two hundred forty-seven thousand, forty-four".