18030426268 has 6 divisors (see below), whose sum is σ = 31553245976. Its totient is φ = 9015213132.

The previous prime is 18030426259. The next prime is 18030426301. The reversal of 18030426268 is 86262403081.

It is a self number, because there is not a number n which added to its sum of digits gives 18030426268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253803280 + ... + 2253803287.

Almost surely, 2^18030426268 is an apocalyptic number.

It is an amenable number.

18030426268 is a deficient number, since it is larger than the sum of its proper divisors (13522819708).

18030426268 is a wasteful number, since it uses less digits than its factorization.

18030426268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507606571 (or 4507606569 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 18030426268 in words is "eighteen billion, thirty million, four hundred twenty-six thousand, two hundred sixty-eight".