30240664234561 has 32 divisors (see below), whose sum is σ = 35375857574400. Its totient is φ = 25544452577280.

The previous prime is 30240664234537. The next prime is 30240664234591. The reversal of 30240664234561 is 16543246604203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30240664234561 - 2²⁷ = 30240530016833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30240664234591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167864211 + ... + 168044263.

It is an arithmetic number, because the mean of its divisors is an integer number (1105495549200).

Almost surely, 2^{30240664234561} is an apocalyptic number.

It is an amenable number.

30240664234561 is a deficient number, since it is larger than the sum of its proper divisors (5135193339839).

30240664234561 is a wasteful number, since it uses less digits than its factorization.

30240664234561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191529.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 30240664234561 in words is "thirty trillion, two hundred forty billion, six hundred sixty-four million, two hundred thirty-four thousand, five hundred sixty-one".