18408070233444 has 12 divisors (see below), whose sum is σ = 42952163878064. Its totient is φ = 6136023411144.

The previous prime is 18408070233433. The next prime is 18408070233463. The reversal of 18408070233444 is 44433207080481.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×18408070233444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18408070233393 and 18408070233402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767002926382 + ... + 767002926405.

Almost surely, 2^{18408070233444} is an apocalyptic number.

It is an amenable number.

18408070233444 is an abundant number, since it is smaller than the sum of its proper divisors (24544093644620).

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

18408070233444 is a wasteful number, since it uses less digits than its factorization.

18408070233444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534005852794 (or 1534005852792 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 18408070233444 in words is "eighteen trillion, four hundred eight billion, seventy million, two hundred thirty-three thousand, four hundred forty-four".