240653842 has 16 divisors (see below), whose sum is σ = 424089792. Its totient is φ = 100973520.

The previous prime is 240653827. The next prime is 240653849. The reversal of 240653842 is 248356042.

It is a junction number, because it is equal to n+sod(n) for n = 240653798 and 240653807.

It is not an unprimeable number, because it can be changed into a prime (240653849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420438 + ... + 421009.

It is an arithmetic number, because the mean of its divisors is an integer number (26505612).

Almost surely, 2^240653842 is an apocalyptic number.

240653842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240653842 is a deficient number, since it is larger than the sum of its proper divisors (183435950).

240653842 is a wasteful number, since it uses less digits than its factorization.

240653842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841473.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 240653842 is about 15513.0216914694. The cubic root of 240653842 is about 622.0103336752.

The spelling of 240653842 in words is "two hundred forty million, six hundred fifty-three thousand, eight hundred forty-two".