51071063040 has 132 divisors (see below), whose sum is σ = 176960063124. Its totient is φ = 13618937856.

The previous prime is 51071063027. The next prime is 51071063047. The reversal of 51071063040 is 4036017015.

51071063040 is a `hidden beast` number, since 5 + 10 + 7 + 10 + 630 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30829741056 + 20241321984 = 175584^2 + 142272^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51071062995 and 51071063013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51071063047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508077 + ... + 600236.

Almost surely, 2^51071063040 is an apocalyptic number.

It is an amenable number.

51071063040 is an abundant number, since it is smaller than the sum of its proper divisors (125889000084).

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

51071063040 is a wasteful number, since it uses less digits than its factorization.

51071063040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108344 (or 1108323 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The spelling of 51071063040 in words is "fifty-one billion, seventy-one million, sixty-three thousand, forty".