240453742 has 4 divisors (see below), whose sum is σ = 360680616. Its totient is φ = 120226870.

The previous prime is 240453709. The next prime is 240453757. The reversal of 240453742 is 247354042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 60113434 + ... + 60113437.

It is an arithmetic number, because the mean of its divisors is an integer number (90170154).

Almost surely, 2^240453742 is an apocalyptic number.

240453742 is a deficient number, since it is larger than the sum of its proper divisors (120226874).

240453742 is a wasteful number, since it uses less digits than its factorization.

240453742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120226873.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 240453742 is about 15506.5709297704. The cubic root of 240453742 is about 621.8378885019.

The spelling of 240453742 in words is "two hundred forty million, four hundred fifty-three thousand, seven hundred forty-two".