18049262401 has 16 divisors (see below), whose sum is σ = 19688578560. Its totient is φ = 16483184640.

The previous prime is 18049262383. The next prime is 18049262437. The reversal of 18049262401 is 10426294081.

It is a cyclic number.

It is not a de Polignac number, because 18049262401 - 2¹⁷ = 18049131329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18049262471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91755 + ... + 210991.

It is an arithmetic number, because the mean of its divisors is an integer number (1230536160).

Almost surely, 2^18049262401 is an apocalyptic number.

It is an amenable number.

18049262401 is a deficient number, since it is larger than the sum of its proper divisors (1639316159).

18049262401 is a wasteful number, since it uses less digits than its factorization.

18049262401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119544.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 18049262401 in words is "eighteen billion, forty-nine million, two hundred sixty-two thousand, four hundred one".