51290306008 has 32 divisors (see below), whose sum is σ = 102814976160. Its totient is φ = 23902272000.

The previous prime is 51290305981. The next prime is 51290306063. The reversal of 51290306008 is 80060309215.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 1816743 + ... + 1844758.

It is an arithmetic number, because the mean of its divisors is an integer number (3212968005).

Almost surely, 2^51290306008 is an apocalyptic number.

It is an amenable number.

51290306008 is an abundant number, since it is smaller than the sum of its proper divisors (51524670152).

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

51290306008 is a wasteful number, since it uses less digits than its factorization.

51290306008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661627 (or 3661623 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 51290306008 in words is "fifty-one billion, two hundred ninety million, three hundred six thousand, eight".