30642045056 has 64 divisors (see below), whose sum is σ = 69791974080. Its totient is φ = 13127298048.

The previous prime is 30642045037. The next prime is 30642045061. The reversal of 30642045056 is 65054024603.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 3254051 + ... + 3263453.

It is an arithmetic number, because the mean of its divisors is an integer number (1090499595).

Almost surely, 2^30642045056 is an apocalyptic number.

It is an amenable number.

30642045056 is an abundant number, since it is smaller than the sum of its proper divisors (39149929024).

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

30642045056 is an equidigital number, since it uses as much as digits as its factorization.

30642045056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13061 (or 13049 counting only the distinct ones).

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

Adding to 30642045056 its reverse (65054024603), we get a palindrome (95696069659).

The spelling of 30642045056 in words is "thirty billion, six hundred forty-two million, forty-five thousand, fifty-six".