18278000395 has 8 divisors (see below), whose sum is σ = 21999867120. Its totient is φ = 14578222560.

The previous prime is 18278000383. The next prime is 18278000413. The reversal of 18278000395 is 59300087281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18278000395 - 2¹³ = 18277992203 is a prime.

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, 5520400 + ... + 5523709.

It is an arithmetic number, because the mean of its divisors is an integer number (2749983390).

Almost surely, 2^18278000395 is an apocalyptic number.

18278000395 is a deficient number, since it is larger than the sum of its proper divisors (3721866725).

18278000395 is a wasteful number, since it uses less digits than its factorization.

18278000395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044445.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 18278000395 in words is "eighteen billion, two hundred seventy-eight million, three hundred ninety-five", and thus it is an aban number.