240323090 has 32 divisors (see below), whose sum is σ = 515877120. Its totient is φ = 78813504.

The previous prime is 240323063. The next prime is 240323093. The reversal of 240323090 is 90323042.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240323093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73025 + ... + 76244.

It is an arithmetic number, because the mean of its divisors is an integer number (16121160).

Almost surely, 2^240323090 is an apocalyptic number.

240323090 is an abundant number, since it is smaller than the sum of its proper divisors (275554030).

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

240323090 is a wasteful number, since it uses less digits than its factorization.

240323090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149306.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 240323090 is about 15502.3575626419. The cubic root of 240323090 is about 621.7252416335.

The spelling of 240323090 in words is "two hundred forty million, three hundred twenty-three thousand, ninety".