51627626428 has 24 divisors (see below), whose sum is σ = 104709556224. Its totient is φ = 21814489200.

The previous prime is 51627626423. The next prime is 51627626429. The reversal of 51627626428 is 82462672615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51627626423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12982828 + ... + 12986803.

It is an arithmetic number, because the mean of its divisors is an integer number (4362898176).

Almost surely, 2^51627626428 is an apocalyptic number.

It is an amenable number.

51627626428 is an abundant number, since it is smaller than the sum of its proper divisors (53081929796).

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

51627626428 is a wasteful number, since it uses less digits than its factorization.

51627626428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25969713 (or 25969711 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The spelling of 51627626428 in words is "fifty-one billion, six hundred twenty-seven million, six hundred twenty-six thousand, four hundred twenty-eight".