240421342 has 48 divisors (see below), whose sum is σ = 436993920. Its totient is φ = 98833392.

The previous prime is 240421331. The next prime is 240421351. The reversal of 240421342 is 243124042.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248143 + ... + 249109.

It is an arithmetic number, because the mean of its divisors is an integer number (9104040).

Almost surely, 2^240421342 is an apocalyptic number.

240421342 is a deficient number, since it is larger than the sum of its proper divisors (196572578).

240421342 is a wasteful number, since it uses less digits than its factorization.

240421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 240421342 is about 15505.5261761734. The cubic root of 240421342 is about 621.8099573464.

Adding to 240421342 its reverse (243124042), we get a palindrome (483545384).

The spelling of 240421342 in words is "two hundred forty million, four hundred twenty-one thousand, three hundred forty-two".