70018880490 has 64 divisors (see below), whose sum is σ = 201079872000. Its totient is φ = 17235415872.

The previous prime is 70018880483. The next prime is 70018880557. The reversal of 70018880490 is 9408881007.

70018880490 is a `hidden beast` number, since 7 + 0 + 0 + 1 + 88 + 80 + 490 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9970690 + ... + 9977709.

It is an arithmetic number, because the mean of its divisors is an integer number (3141873000).

Almost surely, 2^70018880490 is an apocalyptic number.

70018880490 is an abundant number, since it is smaller than the sum of its proper divisors (131060991510).

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

70018880490 is a wasteful number, since it uses less digits than its factorization.

70018880490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948428 (or 19948422 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 70018880490 in words is "seventy billion, eighteen million, eight hundred eighty thousand, four hundred ninety".