18740250885 has 32 divisors (see below), whose sum is σ = 30160569600. Its totient is φ = 9936165888.

The previous prime is 18740250877. The next prime is 18740250967. The reversal of 18740250885 is 58805204781.

It is not a de Polignac number, because 18740250885 - 2³ = 18740250877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5302579 + ... + 5306111.

It is an arithmetic number, because the mean of its divisors is an integer number (942517800).

Almost surely, 2^18740250885 is an apocalyptic number.

18740250885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18740250885 is a deficient number, since it is larger than the sum of its proper divisors (11420318715).

18740250885 is a wasteful number, since it uses less digits than its factorization.

18740250885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517.

The product of its (nonzero) digits is 716800, while the sum is 48.

The spelling of 18740250885 in words is "eighteen billion, seven hundred forty million, two hundred fifty thousand, eight hundred eighty-five".