51429702960 has 120 divisors (see below), whose sum is σ = 173716876944. Its totient is φ = 13635279360.

The previous prime is 51429702913. The next prime is 51429702971. The reversal of 51429702960 is 6920792415.

51429702960 is a `hidden beast` number, since 514 + 2 + 9 + 70 + 2 + 9 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

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, 81886 + ... + 331005.

Almost surely, 2^51429702960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51429702960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86858438472).

51429702960 is an abundant number, since it is smaller than the sum of its proper divisors (122287173984).

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

51429702960 is a wasteful number, since it uses less digits than its factorization.

51429702960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413083 (or 413074 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 51429702960 in words is "fifty-one billion, four hundred twenty-nine million, seven hundred two thousand, nine hundred sixty".