51040441044 has 36 divisors (see below), whose sum is σ = 129051939744. Its totient is φ = 17009122512.

The previous prime is 51040441033. The next prime is 51040441063. The reversal of 51040441044 is 44014404015.

51040441044 is a `hidden beast` number, since 510 + 4 + 0 + 44 + 104 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 51040440999 and 51040441017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37512 + ... + 321695.

It is an arithmetic number, because the mean of its divisors is an integer number (3584776104).

Almost surely, 2^51040441044 is an apocalyptic number.

It is an amenable number.

51040441044 is an abundant number, since it is smaller than the sum of its proper divisors (78011498700).

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

51040441044 is a wasteful number, since it uses less digits than its factorization.

51040441044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363164 (or 363159 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 51040441044 its reverse (44014404015), we get a palindrome (95054845059).

The spelling of 51040441044 in words is "fifty-one billion, forty million, four hundred forty-one thousand, forty-four".