51044274620 has 24 divisors (see below), whose sum is σ = 107653042224. Its totient is φ = 20330078336.

The previous prime is 51044274563. The next prime is 51044274637. The reversal of 51044274620 is 2647244015.

It is a happy number.

It is a super-2 number, since 2×51044274620² (a number of 22 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 7 ways as a sum of consecutive naturals, for example, 5472194 + ... + 5481513.

It is an arithmetic number, because the mean of its divisors is an integer number (4485543426).

Almost surely, 2^51044274620 is an apocalyptic number.

It is an amenable number.

51044274620 is an abundant number, since it is smaller than the sum of its proper divisors (56608767604).

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

51044274620 is a wasteful number, since it uses less digits than its factorization.

51044274620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10953949 (or 10953947 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

It can be divided in two parts, 5104 and 4274620, that added together give a palindrome (4279724).

The spelling of 51044274620 in words is "fifty-one billion, forty-four million, two hundred seventy-four thousand, six hundred twenty".