51527036880 has 360 divisors, whose sum is σ = 196352432640. Its totient is φ = 12087820800.

The previous prime is 51527036843. The next prime is 51527036893. The reversal of 51527036880 is 8863072515.

51527036880 is a `hidden beast` number, since 5 + 15 + 270 + 368 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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 71 ways as a sum of consecutive naturals, for example, 2691181 + ... + 2710259.

It is an arithmetic number, because the mean of its divisors is an integer number (545423424).

Almost surely, 2^51527036880 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 51527036880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98176216320).

51527036880 is an abundant number, since it is smaller than the sum of its proper divisors (144825395760).

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

51527036880 is a wasteful number, since it uses less digits than its factorization.

51527036880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19151 (or 19131 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 51527036880 in words is "fifty-one billion, five hundred twenty-seven million, thirty-six thousand, eight hundred eighty".