18614367420 has 48 divisors (see below), whose sum is σ = 56858433408. Its totient is φ = 4512573760.

The previous prime is 18614367403. The next prime is 18614367439. The reversal of 18614367420 is 2476341681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14101134 + ... + 14102453.

It is an arithmetic number, because the mean of its divisors is an integer number (1184550696).

Almost surely, 2^18614367420 is an apocalyptic number.

18614367420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18614367420 is an abundant number, since it is smaller than the sum of its proper divisors (38244065988).

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

18614367420 is a wasteful number, since it uses less digits than its factorization.

18614367420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28203610 (or 28203608 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 18614367420 in words is "eighteen billion, six hundred fourteen million, three hundred sixty-seven thousand, four hundred twenty".