240215442 has 16 divisors (see below), whose sum is σ = 505716960. Its totient is φ = 75857472.

The previous prime is 240215429. The next prime is 240215453. The reversal of 240215442 is 244512042.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 1053463 + ... + 1053690.

It is an arithmetic number, because the mean of its divisors is an integer number (31607310).

Almost surely, 2^240215442 is an apocalyptic number.

240215442 is an abundant number, since it is smaller than the sum of its proper divisors (265501518).

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

240215442 is a wasteful number, since it uses less digits than its factorization.

240215442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107177.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 240215442 is about 15498.8851857158. The cubic root of 240215442 is about 621.6323979062.

Adding to 240215442 its reverse (244512042), we get a palindrome (484727484).

The spelling of 240215442 in words is "two hundred forty million, two hundred fifteen thousand, four hundred forty-two".