18330277064040 has 80 divisors (see below), whose sum is σ = 61610097920580. Its totient is φ = 4888073882880.

The previous prime is 18330277064009. The next prime is 18330277064063. The reversal of 18330277064040 is 4046077203381.

18330277064040 is a `hidden beast` number, since 1 + 8 + 330 + 277 + 0 + 6 + 4 + 0 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18323519237604 + 6757826436 = 4280598^2 + 82206^2 .

It is a super-2 number, since 2×18330277064040² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2828743221 + ... + 2828749700.

Almost surely, 2^{18330277064040} is an apocalyptic number.

18330277064040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18330277064040 is an abundant number, since it is smaller than the sum of its proper divisors (43279820856540).

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

18330277064040 is a wasteful number, since it uses less digits than its factorization.

18330277064040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657492944 (or 5657492931 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 18330277064040 in words is "eighteen trillion, three hundred thirty billion, two hundred seventy-seven million, sixty-four thousand, forty".