30550055240240 has 40 divisors (see below), whose sum is σ = 71050687107840. Its totient is φ = 12216270066176.

The previous prime is 30550055240189. The next prime is 30550055240261. The reversal of 30550055240240 is 4204255005503.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 30550055240240.

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, 58363280 + ... + 58884399.

It is an arithmetic number, because the mean of its divisors is an integer number (1776267177696).

Almost surely, 2^{30550055240240} is an apocalyptic number.

It is an amenable number.

30550055240240 is an abundant number, since it is smaller than the sum of its proper divisors (40500631867600).

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

30550055240240 is a wasteful number, since it uses less digits than its factorization.

30550055240240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117250949 (or 117250943 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 30550055240240 in words is "thirty trillion, five hundred fifty billion, fifty-five million, two hundred forty thousand, two hundred forty".