18026422412528 has 40 divisors (see below), whose sum is σ = 36405519970512. Its totient is φ = 8638721169408.

The previous prime is 18026422412477. The next prime is 18026422412567. The reversal of 18026422412528 is 82521422462081.

It is a super-2 number, since 2×18026422412528² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 227199425 + ... + 227278752.

Almost surely, 2^{18026422412528} is an apocalyptic number.

It is an amenable number.

18026422412528 is an abundant number, since it is smaller than the sum of its proper divisors (18379097557984).

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

18026422412528 is a wasteful number, since it uses less digits than its factorization.

18026422412528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454478289 (or 454478283 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 47.

The spelling of 18026422412528 in words is "eighteen trillion, twenty-six billion, four hundred twenty-two million, four hundred twelve thousand, five hundred twenty-eight".