240312442 has 8 divisors (see below), whose sum is σ = 381672756. Its totient is φ = 113088192.

The previous prime is 240312419. The next prime is 240312461. The reversal of 240312442 is 244213042.

It is a happy number.

240312442 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 201611601 + 38700841 = 14199^2 + 6221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533973 + ... + 3534040.

Almost surely, 2^240312442 is an apocalyptic number.

240312442 is a deficient number, since it is larger than the sum of its proper divisors (141360314).

240312442 is a wasteful number, since it uses less digits than its factorization.

240312442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068032.

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

The square root of 240312442 is about 15502.0141272030. The cubic root of 240312442 is about 621.7160592336.

Adding to 240312442 its reverse (244213042), we get a palindrome (484525484).

The spelling of 240312442 in words is "two hundred forty million, three hundred twelve thousand, four hundred forty-two".