51252676720 has 160 divisors (see below), whose sum is σ = 141276136320. Its totient is φ = 16918917120.

The previous prime is 51252676711. The next prime is 51252676721. The reversal of 51252676720 is 2767625215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51252676721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6053290 + ... + 6061750.

It is an arithmetic number, because the mean of its divisors is an integer number (882975852).

Almost surely, 2^51252676720 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 51252676720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70638068160).

51252676720 is an abundant number, since it is smaller than the sum of its proper divisors (90023459600).

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

51252676720 is a wasteful number, since it uses less digits than its factorization.

51252676720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883 (or 8877 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 51252676720 in words is "fifty-one billion, two hundred fifty-two million, six hundred seventy-six thousand, seven hundred twenty".