30645522260 has 24 divisors (see below), whose sum is σ = 68141220840. Its totient is φ = 11537137664.

The previous prime is 30645522239. The next prime is 30645522289. The reversal of 30645522260 is 6222554603.

It can be written as a sum of positive squares in 4 ways, for example, as 2770548496 + 27874973764 = 52636^2 + 166958^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30645522260.

It is a congruent number.

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, 45066605 + ... + 45067284.

It is an arithmetic number, because the mean of its divisors is an integer number (2839217535).

Almost surely, 2^30645522260 is an apocalyptic number.

It is an amenable number.

30645522260 is an abundant number, since it is smaller than the sum of its proper divisors (37495698580).

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

30645522260 is a wasteful number, since it uses less digits than its factorization.

30645522260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90133915 (or 90133913 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 30645522260 in words is "thirty billion, six hundred forty-five million, five hundred twenty-two thousand, two hundred sixty".