70218992240 has 60 divisors (see below), whose sum is σ = 169083070104. Its totient is φ = 27119033088.

The previous prime is 70218992177. The next prime is 70218992257. The reversal of 70218992240 is 4229981207.

It is a junction number, because it is equal to n+sod(n) for n = 70218992191 and 70218992200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454562 + ... + 589121.

Almost surely, 2^70218992240 is an apocalyptic number.

It is an amenable number.

70218992240 is an abundant number, since it is smaller than the sum of its proper divisors (98864077864).

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

70218992240 is a wasteful number, since it uses less digits than its factorization.

70218992240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043754 (or 1043719 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 70218992240 in words is "seventy billion, two hundred eighteen million, nine hundred ninety-two thousand, two hundred forty".