18030044162680 has 32 divisors (see below), whose sum is σ = 44255562945840. Its totient is φ = 6556379695360.

The previous prime is 18030044162653. The next prime is 18030044162797. The reversal of 18030044162680 is 8626144003081.

It is a super-2 number, since 2×18030044162680² (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, 20488686109 + ... + 20488686988.

Almost surely, 2^{18030044162680} is an apocalyptic number.

18030044162680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18030044162680 is an abundant number, since it is smaller than the sum of its proper divisors (26225518783160).

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

18030044162680 is a wasteful number, since it uses less digits than its factorization.

18030044162680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40977373119 (or 40977373115 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 18030044162680 in words is "eighteen trillion, thirty billion, forty-four million, one hundred sixty-two thousand, six hundred eighty".