18017442414 has 16 divisors (see below), whose sum is σ = 40038761040. Its totient is φ = 6005814120.

The previous prime is 18017442353. The next prime is 18017442439. The reversal of 18017442414 is 41424471081.

It is a super-2 number, since 2×18017442414² (a number of 21 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, 166828117 + ... + 166828224.

It is an arithmetic number, because the mean of its divisors is an integer number (2502422565).

Almost surely, 2^18017442414 is an apocalyptic number.

18017442414 is an abundant number, since it is smaller than the sum of its proper divisors (22021318626).

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

18017442414 is a wasteful number, since it uses less digits than its factorization.

18017442414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333656352 (or 333656346 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 18017442414 in words is "eighteen billion, seventeen million, four hundred forty-two thousand, four hundred fourteen".