180326540 has 12 divisors (see below), whose sum is σ = 378685776. Its totient is φ = 72130608.

The previous prime is 180326539. The next prime is 180326543. The reversal of 180326540 is 45623081.

180326540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×180326540² = 65035322056743200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180326543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4508144 + ... + 4508183.

It is an arithmetic number, because the mean of its divisors is an integer number (31557148).

Almost surely, 2^180326540 is an apocalyptic number.

180326540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180326540 is an abundant number, since it is smaller than the sum of its proper divisors (198359236).

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

180326540 is a wasteful number, since it uses less digits than its factorization.

180326540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016336 (or 9016334 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 180326540 is about 13428.5717781155. The cubic root of 180326540 is about 564.9628398564.

The spelling of 180326540 in words is "one hundred eighty million, three hundred twenty-six thousand, five hundred forty".