18526723026 has 32 divisors (see below), whose sum is σ = 42358392960. Its totient is φ = 5291899776.

The previous prime is 18526723021. The next prime is 18526723049. The reversal of 18526723026 is 62032762581.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (18526723021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99780 + ... + 216816.

It is an arithmetic number, because the mean of its divisors is an integer number (1323699780).

Almost surely, 2^18526723026 is an apocalyptic number.

18526723026 is an abundant number, since it is smaller than the sum of its proper divisors (23831669934).

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

18526723026 is a wasteful number, since it uses less digits than its factorization.

18526723026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120818.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 18526723026 in words is "eighteen billion, five hundred twenty-six million, seven hundred twenty-three thousand, twenty-six".