240245742 has 24 divisors (see below), whose sum is σ = 528145128. Its totient is φ = 72801520.

The previous prime is 240245737. The next prime is 240245743. The reversal of 240245742 is 247542042.

240245742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240245743) 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, 164733 + ... + 166184.

It is an arithmetic number, because the mean of its divisors is an integer number (22006047).

Almost surely, 2^240245742 is an apocalyptic number.

240245742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240245742 is an abundant number, since it is smaller than the sum of its proper divisors (287899386).

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

240245742 is a wasteful number, since it uses less digits than its factorization.

240245742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330944 (or 330933 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 240245742 is about 15499.8626445527. The cubic root of 240245742 is about 621.6585337083.

Adding to 240245742 its reverse (247542042), we get a palindrome (487787784).

The spelling of 240245742 in words is "two hundred forty million, two hundred forty-five thousand, seven hundred forty-two".