18300272420 has 24 divisors (see below), whose sum is σ = 38438221248. Its totient is φ = 7318652000.

The previous prime is 18300272411. The next prime is 18300272449. The reversal of 18300272420 is 2427200381.

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, 14945 + ... + 191895.

It is an arithmetic number, because the mean of its divisors is an integer number (1601592552).

Almost surely, 2^18300272420 is an apocalyptic number.

18300272420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18300272420 is an abundant number, since it is smaller than the sum of its proper divisors (20137948828).

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

18300272420 is a wasteful number, since it uses less digits than its factorization.

18300272420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182131 (or 182129 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 18300272420 in words is "eighteen billion, three hundred million, two hundred seventy-two thousand, four hundred twenty".