30640430442 has 16 divisors (see below), whose sum is σ = 63257663232. Its totient is φ = 9884009760.

The previous prime is 30640430393. The next prime is 30640430521. The reversal of 30640430442 is 24403404603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82366563 + ... + 82366934.

It is an arithmetic number, because the mean of its divisors is an integer number (3953603952).

Almost surely, 2^30640430442 is an apocalyptic number.

30640430442 is an abundant number, since it is smaller than the sum of its proper divisors (32617232790).

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

30640430442 is a wasteful number, since it uses less digits than its factorization.

30640430442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164733533.

The product of its (nonzero) digits is 27648, while the sum is 30.

The spelling of 30640430442 in words is "thirty billion, six hundred forty million, four hundred thirty thousand, four hundred forty-two".