70051440056 has 32 divisors (see below), whose sum is σ = 141485741040. Its totient is φ = 32323269888.

The previous prime is 70051440029. The next prime is 70051440073. The reversal of 70051440056 is 65004415007.

It is a super-2 number, since 2×70051440056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338915 + ... + 504941.

Almost surely, 2^70051440056 is an apocalyptic number.

It is an amenable number.

70051440056 is an abundant number, since it is smaller than the sum of its proper divisors (71434300984).

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

70051440056 is a wasteful number, since it uses less digits than its factorization.

70051440056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170103 (or 170099 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 70051440056 in words is "seventy billion, fifty-one million, four hundred forty thousand, fifty-six".