240454090 has 16 divisors (see below), whose sum is σ = 433548360. Its totient is φ = 96019200.

The previous prime is 240454079. The next prime is 240454091. The reversal of 240454090 is 90454042.

It can be written as a sum of positive squares in 4 ways, for example, as 237992329 + 2461761 = 15427^2 + 1569^2 .

It is not an unprimeable number, because it can be changed into a prime (240454091) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13995 + ... + 26014.

Almost surely, 2^240454090 is an apocalyptic number.

240454090 is a deficient number, since it is larger than the sum of its proper divisors (193094270).

240454090 is a wasteful number, since it uses less digits than its factorization.

240454090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40617.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 240454090 is about 15506.5821508158. The cubic root of 240454090 is about 621.8381884896.

The spelling of 240454090 in words is "two hundred forty million, four hundred fifty-four thousand, ninety".