70442330640 has 80 divisors (see below), whose sum is σ = 238223163456. Its totient is φ = 17076928000.

The previous prime is 70442330603. The next prime is 70442330683. The reversal of 70442330640 is 4603324407.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13338711 + ... + 13343990.

Almost surely, 2^70442330640 is an apocalyptic number.

It is an amenable number.

70442330640 is an abundant number, since it is smaller than the sum of its proper divisors (167780832816).

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

70442330640 is a wasteful number, since it uses less digits than its factorization.

70442330640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26682728 (or 26682722 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 33.

The spelling of 70442330640 in words is "seventy billion, four hundred forty-two million, three hundred thirty thousand, six hundred forty".