51070247280 has 200 divisors, whose sum is σ = 191019044832. Its totient is φ = 12571117056.

The previous prime is 51070247257. The next prime is 51070247297. The reversal of 51070247280 is 8274207015.

51070247280 is a `hidden beast` number, since 5 + 107 + 0 + 2 + 472 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 218884 + ... + 387363.

Almost surely, 2^51070247280 is an apocalyptic number.

It is an amenable number.

51070247280 is an abundant number, since it is smaller than the sum of its proper divisors (139948797552).

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

51070247280 is a wasteful number, since it uses less digits than its factorization.

51070247280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606285 (or 606270 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 51070247280 in words is "fifty-one billion, seventy million, two hundred forty-seven thousand, two hundred eighty".