18084992879040 has 224 divisors, whose sum is σ = 58297376172096. Its totient is φ = 4749168476160.

The previous prime is 18084992879033. The next prime is 18084992879047. The reversal of 18084992879040 is 4097829948081.

It is an interprime number because it is at equal distance from previous prime (18084992879033) and next prime (18084992879047).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18084992879047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44719984 + ... + 45122576.

Almost surely, 2^{18084992879040} is an apocalyptic number.

18084992879040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18084992879040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29148688086048).

18084992879040 is an abundant number, since it is smaller than the sum of its proper divisors (40212383293056).

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

18084992879040 is a wasteful number, since it uses less digits than its factorization.

18084992879040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403327 (or 403317 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 69.

The spelling of 18084992879040 in words is "eighteen trillion, eighty-four billion, nine hundred ninety-two million, eight hundred seventy-nine thousand, forty".