51428471760 has 240 divisors, whose sum is σ = 178983687168. Its totient is φ = 13219891200.

The previous prime is 51428471737. The next prime is 51428471797. The reversal of 51428471760 is 6717482415.

51428471760 is a `hidden beast` number, since 51 + 428 + 4 + 7 + 176 + 0 = 666.

51428471760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

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 47 ways as a sum of consecutive naturals, for example, 5865780 + ... + 5874540.

Almost surely, 2^51428471760 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 51428471760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89491843584).

51428471760 is an abundant number, since it is smaller than the sum of its proper divisors (127555215408).

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

51428471760 is a wasteful number, since it uses less digits than its factorization.

51428471760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074 (or 9065 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 51428471760 in words is "fifty-one billion, four hundred twenty-eight million, four hundred seventy-one thousand, seven hundred sixty".