18240403027392 has 1008 divisors, whose sum is σ = 71498613863040. Its totient is φ = 4557416306688.

The previous prime is 18240403027349. The next prime is 18240403027409. The reversal of 18240403027392 is 29372030404281.

18240403027392 is a `hidden beast` number, since 18 + 240 + 4 + 0 + 3 + 0 + 2 + 7 + 392 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 188177403 + ... + 188274309.

Almost surely, 2^{18240403027392} is an apocalyptic number.

18240403027392 is a gapful number since it is divisible by the number (12) 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 18240403027392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35749306931520).

18240403027392 is an abundant number, since it is smaller than the sum of its proper divisors (53258210835648).

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

18240403027392 is a wasteful number, since it uses less digits than its factorization.

18240403027392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96980 (or 96951 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 18240403027392 in words is "eighteen trillion, two hundred forty billion, four hundred three million, twenty-seven thousand, three hundred ninety-two".