18038903026532 has 24 divisors (see below), whose sum is σ = 32421686617656. Its totient is φ = 8775570233088.

The previous prime is 18038903026523. The next prime is 18038903026559. The reversal of 18038903026532 is 23562030983081.

It can be written as a sum of positive squares in 4 ways, for example, as 753049070656 + 17285853955876 = 867784^2 + 4157626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11470208 + ... + 12947720.

It is an arithmetic number, because the mean of its divisors is an integer number (1350903609069).

Almost surely, 2^{18038903026532} is an apocalyptic number.

It is an amenable number.

18038903026532 is a deficient number, since it is larger than the sum of its proper divisors (14382783591124).

18038903026532 is a wasteful number, since it uses less digits than its factorization.

18038903026532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560047 (or 1560045 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 18038903026532 in words is "eighteen trillion, thirty-eight billion, nine hundred three million, twenty-six thousand, five hundred thirty-two".