30040443132 has 72 divisors (see below), whose sum is σ = 82078577280. Its totient is φ = 8526117600.

The previous prime is 30040443073. The next prime is 30040443149. The reversal of 30040443132 is 23134404003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80382 + ... + 257957.

It is an arithmetic number, because the mean of its divisors is an integer number (1139980240).

Almost surely, 2^30040443132 is an apocalyptic number.

It is an amenable number.

30040443132 is an abundant number, since it is smaller than the sum of its proper divisors (52038134148).

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

30040443132 is a wasteful number, since it uses less digits than its factorization.

30040443132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338511 (or 338502 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30040443132 its reverse (23134404003), we get a palindrome (53174847135).

The spelling of 30040443132 in words is "thirty billion, forty million, four hundred forty-three thousand, one hundred thirty-two".