18640458714 has 16 divisors (see below), whose sum is σ = 37302351840. Its totient is φ = 6209913840.

The previous prime is 18640458701. The next prime is 18640458743. The reversal of 18640458714 is 41785404681.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881784 + ... + 902675.

It is an arithmetic number, because the mean of its divisors is an integer number (2331396990).

Almost surely, 2^18640458714 is an apocalyptic number.

18640458714 is an abundant number, since it is smaller than the sum of its proper divisors (18661893126).

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

18640458714 is a wasteful number, since it uses less digits than its factorization.

18640458714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786205.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 18640458714 in words is "eighteen billion, six hundred forty million, four hundred fifty-eight thousand, seven hundred fourteen".