18075304040 has 32 divisors (see below), whose sum is σ = 40702798080. Its totient is φ = 7224190272.

The previous prime is 18075304033. The next prime is 18075304073. The reversal of 18075304040 is 4040357081.

It is a super-2 number, since 2×18075304040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18075303988 and 18075304006.

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, 135824 + ... + 233663.

It is an arithmetic number, because the mean of its divisors is an integer number (1271962440).

Almost surely, 2^18075304040 is an apocalyptic number.

18075304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18075304040 is an abundant number, since it is smaller than the sum of its proper divisors (22627494040).

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

18075304040 is a wasteful number, since it uses less digits than its factorization.

18075304040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370721 (or 370717 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 18075304040 in words is "eighteen billion, seventy-five million, three hundred four thousand, forty".