18805269332 has 12 divisors (see below), whose sum is σ = 33248492340. Its totient is φ = 9305700096.

The previous prime is 18805269331. The next prime is 18805269337. The reversal of 18805269332 is 23396250881.

It can be written as a sum of positive squares in 2 ways, for example, as 2715868996 + 16089400336 = 52114^2 + 126844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18805269331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24233207 + ... + 24233982.

It is an arithmetic number, because the mean of its divisors is an integer number (2770707695).

Almost surely, 2^18805269332 is an apocalyptic number.

It is an amenable number.

18805269332 is a deficient number, since it is larger than the sum of its proper divisors (14443223008).

18805269332 is a wasteful number, since it uses less digits than its factorization.

18805269332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48467290 (or 48467288 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 18805269332 in words is "eighteen billion, eight hundred five million, two hundred sixty-nine thousand, three hundred thirty-two".