18402026264 has 32 divisors (see below), whose sum is σ = 34732411200. Its totient is φ = 9140157600.

The previous prime is 18402026263. The next prime is 18402026311. The reversal of 18402026264 is 46262020481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18402026263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498919 + ... + 1511145.

It is an arithmetic number, because the mean of its divisors is an integer number (1085387850).

Almost surely, 2^18402026264 is an apocalyptic number.

It is an amenable number.

18402026264 is a deficient number, since it is larger than the sum of its proper divisors (16330384936).

18402026264 is a wasteful number, since it uses less digits than its factorization.

18402026264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13463 (or 13459 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 18402026264 in words is "eighteen billion, four hundred two million, twenty-six thousand, two hundred sixty-four".