18107231040 has 168 divisors, whose sum is σ = 65559492960. Its totient is φ = 4574444544.

The previous prime is 18107231027. The next prime is 18107231101. The reversal of 18107231040 is 4013270181.

It is a junction number, because it is equal to n+sod(n) for n = 18107230995 and 18107231013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110734 + ... + 220173.

Almost surely, 2^18107231040 is an apocalyptic number.

18107231040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18107231040 is an abundant number, since it is smaller than the sum of its proper divisors (47452261920).

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

18107231040 is a wasteful number, since it uses less digits than its factorization.

18107231040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330949 (or 330936 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 18107231040 in words is "eighteen billion, one hundred seven million, two hundred thirty-one thousand, forty".