18950452232 has 16 divisors (see below), whose sum is σ = 36398735100. Its totient is φ = 9244122880.

The previous prime is 18950452231. The next prime is 18950452247. The reversal of 18950452232 is 23225405981.

It can be written as a sum of positive squares in 2 ways, for example, as 18899100676 + 51351556 = 137474^2 + 7166^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 18950452232.

It is not an unprimeable number, because it can be changed into a prime (18950452231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28887557 + ... + 28888212.

Almost surely, 2^18950452232 is an apocalyptic number.

It is an amenable number.

18950452232 is a deficient number, since it is larger than the sum of its proper divisors (17448282868).

18950452232 is a wasteful number, since it uses less digits than its factorization.

18950452232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57775816 (or 57775812 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 18950452232 in words is "eighteen billion, nine hundred fifty million, four hundred fifty-two thousand, two hundred thirty-two".