30555225240520 has 32 divisors (see below), whose sum is σ = 68751527947200. Its totient is φ = 12221686335168.

The previous prime is 30555225240517. The next prime is 30555225240563. The reversal of 30555225240520 is 2504252255503.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 11390100 + ... + 13814659.

It is an arithmetic number, because the mean of its divisors is an integer number (2148485248350).

Almost surely, 2^{30555225240520} is an apocalyptic number.

It is an amenable number.

30555225240520 is an abundant number, since it is smaller than the sum of its proper divisors (38196302706680).

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

30555225240520 is a wasteful number, since it uses less digits than its factorization.

30555225240520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25235077 (or 25235073 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 30555225240520 in words is "thirty trillion, five hundred fifty-five billion, two hundred twenty-five million, two hundred forty thousand, five hundred twenty".