70254444840 has 128 divisors (see below), whose sum is σ = 231502233600. Its totient is φ = 16976805120.

The previous prime is 70254444791. The next prime is 70254444847. The reversal of 70254444840 is 4844445207.

It is a junction number, because it is equal to n+sod(n) for n = 70254444792 and 70254444801.

It is not an unprimeable number, because it can be changed into a prime (70254444847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617416 + ... + 722295.

It is an arithmetic number, because the mean of its divisors is an integer number (1808611200).

Almost surely, 2^70254444840 is an apocalyptic number.

It is an amenable number.

70254444840 is an abundant number, since it is smaller than the sum of its proper divisors (161247788760).

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

70254444840 is a wasteful number, since it uses less digits than its factorization.

70254444840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339767 (or 1339763 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 42.

The spelling of 70254444840 in words is "seventy billion, two hundred fifty-four million, four hundred forty-four thousand, eight hundred forty".