240220442 has 24 divisors (see below), whose sum is σ = 457267680. Its totient is φ = 93591960.

The previous prime is 240220423. The next prime is 240220451. The reversal of 240220442 is 244022042.

240220442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110342 + ... + 112497.

It is an arithmetic number, because the mean of its divisors is an integer number (19052820).

Almost surely, 2^240220442 is an apocalyptic number.

240220442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240220442 is a deficient number, since it is larger than the sum of its proper divisors (217047238).

240220442 is a wasteful number, since it uses less digits than its factorization.

240220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222866 (or 222859 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 240220442 is about 15499.0464868004. The cubic root of 240220442 is about 621.6367108963.

Adding to 240220442 its reverse (244022042), we get a palindrome (484242484).

The spelling of 240220442 in words is "two hundred forty million, two hundred twenty thousand, four hundred forty-two".