30445742886 has 32 divisors (see below), whose sum is σ = 66251498208. Its totient is φ = 9271342080.

The previous prime is 30445742851. The next prime is 30445742923. The reversal of 30445742886 is 68824754403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004445 + ... + 2019576.

It is an arithmetic number, because the mean of its divisors is an integer number (2070359319).

Almost surely, 2^30445742886 is an apocalyptic number.

30445742886 is an abundant number, since it is smaller than the sum of its proper divisors (35805755322).

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

30445742886 is a wasteful number, since it uses less digits than its factorization.

30445742886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024136.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 30445742886 in words is "thirty billion, four hundred forty-five million, seven hundred forty-two thousand, eight hundred eighty-six".