240235457 has 12 divisors (see below), whose sum is σ = 301784448. Its totient is φ = 187195800.

The previous prime is 240235417. The next prime is 240235459. The reversal of 240235457 is 754532042.

240235457 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 240235457 - 2⁸ = 240235201 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (240235459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140969 + ... + 142662.

It is an arithmetic number, because the mean of its divisors is an integer number (25148704).

Almost surely, 2^240235457 is an apocalyptic number.

It is an amenable number.

240235457 is a deficient number, since it is larger than the sum of its proper divisors (61548991).

240235457 is a wasteful number, since it uses less digits than its factorization.

240235457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283660 (or 283649 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 240235457 is about 15499.5308638681. The cubic root of 240235457 is about 621.6496624457.

Adding to 240235457 its reverse (754532042), we get a palindrome (994767499).

The spelling of 240235457 in words is "two hundred forty million, two hundred thirty-five thousand, four hundred fifty-seven".