240291955 has 32 divisors (see below), whose sum is σ = 316166400. Its totient is φ = 174690432.

The previous prime is 240291929. The next prime is 240291959. The reversal of 240291955 is 559192042.

It is a cyclic number.

It is not a de Polignac number, because 240291955 - 2¹⁹ = 239767667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240291959) 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 31 ways as a sum of consecutive naturals, for example, 240517 + ... + 241513.

It is an arithmetic number, because the mean of its divisors is an integer number (9880200).

Almost surely, 2^240291955 is an apocalyptic number.

240291955 is a deficient number, since it is larger than the sum of its proper divisors (75874445).

240291955 is a wasteful number, since it uses less digits than its factorization.

240291955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 240291955 is about 15501.3533280162. The cubic root of 240291955 is about 621.6983913193.

The spelling of 240291955 in words is "two hundred forty million, two hundred ninety-one thousand, nine hundred fifty-five".