180240740 has 12 divisors (see below), whose sum is σ = 378505596. Its totient is φ = 72096288.

The previous prime is 180240721. The next prime is 180240761. The reversal of 180240740 is 47042081.

It can be written as a sum of positive squares in 2 ways, for example, as 21883684 + 158357056 = 4678^2 + 12584^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4505999 + ... + 4506038.

It is an arithmetic number, because the mean of its divisors is an integer number (31542133).

Almost surely, 2^180240740 is an apocalyptic number.

180240740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180240740 is an abundant number, since it is smaller than the sum of its proper divisors (198264856).

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

180240740 is a wasteful number, since it uses less digits than its factorization.

180240740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012046 (or 9012044 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 180240740 is about 13425.3767172471. The cubic root of 180240740 is about 564.8732218747.

The spelling of 180240740 in words is "one hundred eighty million, two hundred forty thousand, seven hundred forty".