51476705280 has 2080 divisors, whose sum is σ = 255754211328. Its totient is φ = 9555148800.

The previous prime is 51476705219. The next prime is 51476705299. The reversal of 51476705280 is 8250767415.

51476705280 is a `hidden beast` number, since 51 + 4 + 7 + 6 + 70 + 528 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2080).

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 159 ways as a sum of consecutive naturals, for example, 1660538865 + ... + 1660538895.

Almost surely, 2^51476705280 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 51476705280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127877105664).

51476705280 is an abundant number, since it is smaller than the sum of its proper divisors (204277506048).

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

51476705280 is a wasteful number, since it uses less digits than its factorization.

51476705280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 51476705280 in words is "fifty-one billion, four hundred seventy-six million, seven hundred five thousand, two hundred eighty".