30640135412 has 12 divisors (see below), whose sum is σ = 53629361856. Its totient is φ = 15317460600.

The previous prime is 30640135403. The next prime is 30640135481. The reversal of 30640135412 is 21453104603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625214 + ... + 672437.

It is an arithmetic number, because the mean of its divisors is an integer number (4469113488).

Almost surely, 2^30640135412 is an apocalyptic number.

It is an amenable number.

30640135412 is a deficient number, since it is larger than the sum of its proper divisors (22989226444).

30640135412 is a wasteful number, since it uses less digits than its factorization.

30640135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303558 (or 1303556 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 30640135412 in words is "thirty billion, six hundred forty million, one hundred thirty-five thousand, four hundred twelve".