18300367494 has 24 divisors (see below), whose sum is σ = 39695735352. Its totient is φ = 6093208800.

The previous prime is 18300367489. The next prime is 18300367529. The reversal of 18300367494 is 49476300381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559807 + ... + 591594.

It is an arithmetic number, because the mean of its divisors is an integer number (1653988973).

Almost surely, 2^18300367494 is an apocalyptic number.

18300367494 is an abundant number, since it is smaller than the sum of its proper divisors (21395367858).

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

18300367494 is a wasteful number, since it uses less digits than its factorization.

18300367494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152292 (or 1152289 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 18300367494 in words is "eighteen billion, three hundred million, three hundred sixty-seven thousand, four hundred ninety-four".