18714646040 has 32 divisors (see below), whose sum is σ = 42328431360. Its totient is φ = 7446662400.

The previous prime is 18714646033. The next prime is 18714646057. The reversal of 18714646040 is 4064641781.

It is a congruent number.

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, 1217141 + ... + 1232420.

It is an arithmetic number, because the mean of its divisors is an integer number (1322763480).

Almost surely, 2^18714646040 is an apocalyptic number.

18714646040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18714646040 is an abundant number, since it is smaller than the sum of its proper divisors (23613785320).

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

18714646040 is a wasteful number, since it uses less digits than its factorization.

18714646040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449763 (or 2449759 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 18714646040 in words is "eighteen billion, seven hundred fourteen million, six hundred forty-six thousand, forty".