30645209480 has 16 divisors (see below), whose sum is σ = 68951721420. Its totient is φ = 12258083776.

The previous prime is 30645209479. The next prime is 30645209509. The reversal of 30645209480 is 8490254603.

It can be written as a sum of positive squares in 2 ways, for example, as 29133710596 + 1511498884 = 170686^2 + 38878^2 .

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, 383065079 + ... + 383065158.

Almost surely, 2^30645209480 is an apocalyptic number.

It is an amenable number.

30645209480 is an abundant number, since it is smaller than the sum of its proper divisors (38306511940).

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

30645209480 is a wasteful number, since it uses less digits than its factorization.

30645209480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766130248 (or 766130244 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 30645209480 in words is "thirty billion, six hundred forty-five million, two hundred nine thousand, four hundred eighty".