30240400445 has 32 divisors (see below), whose sum is σ = 38623399776. Its totient is φ = 22650880000.

The previous prime is 30240400369. The next prime is 30240400469. The reversal of 30240400445 is 54400404203.

It can be written as a sum of positive squares in 16 ways, for example, as 10666756 + 30229733689 = 3266^2 + 173867^2 .

It is not a de Polignac number, because 30240400445 - 2²⁴ = 30223623229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18887645 + ... + 18889245.

It is an arithmetic number, because the mean of its divisors is an integer number (1206981243).

Almost surely, 2^30240400445 is an apocalyptic number.

It is an amenable number.

30240400445 is a deficient number, since it is larger than the sum of its proper divisors (8382999331).

30240400445 is a wasteful number, since it uses less digits than its factorization.

30240400445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 30240400445 its reverse (54400404203), we get a palindrome (84640804648).

The spelling of 30240400445 in words is "thirty billion, two hundred forty million, four hundred thousand, four hundred forty-five".