240421995 has 24 divisors (see below), whose sum is σ = 454617072. Its totient is φ = 116568000.

The previous prime is 240421981. The next prime is 240421997. The reversal of 240421995 is 599124042.

240421995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240421995 - 2⁶ = 240421931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240421997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242356 + ... + 243345.

It is an arithmetic number, because the mean of its divisors is an integer number (18942378).

Almost surely, 2^240421995 is an apocalyptic number.

240421995 is a deficient number, since it is larger than the sum of its proper divisors (214195077).

240421995 is a wasteful number, since it uses less digits than its factorization.

240421995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485723 (or 485720 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 240421995 is about 15505.5472331679. The cubic root of 240421995 is about 621.8105203047.

The spelling of 240421995 in words is "two hundred forty million, four hundred twenty-one thousand, nine hundred ninety-five".