51086680470 has 48 divisors (see below), whose sum is σ = 151800423840. Its totient is φ = 11676955392.

The previous prime is 51086680451. The next prime is 51086680499. The reversal of 51086680470 is 7408668015.

It is a happy number.

51086680470 is a `hidden beast` number, since 510 + 8 + 6 + 68 + 0 + 4 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40544355 + ... + 40545614.

It is an arithmetic number, because the mean of its divisors is an integer number (3162508830).

Almost surely, 2^51086680470 is an apocalyptic number.

51086680470 is an abundant number, since it is smaller than the sum of its proper divisors (100713743370).

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

51086680470 is a wasteful number, since it uses less digits than its factorization.

51086680470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81089989 (or 81089986 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 51086680470 in words is "fifty-one billion, eighty-six million, six hundred eighty thousand, four hundred seventy".