240442434 has 24 divisors (see below), whose sum is σ = 524414592. Its totient is φ = 79615800.

The previous prime is 240442429. The next prime is 240442439. The reversal of 240442434 is 434244042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (240442429) and next prime (240442439).

It is a junction number, because it is equal to n+sod(n) for n = 240442398 and 240442407.

It is not an unprimeable number, because it can be changed into a prime (240442439) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 41514 + ... + 46949.

It is an arithmetic number, because the mean of its divisors is an integer number (21850608).

Almost surely, 2^240442434 is an apocalyptic number.

240442434 is an abundant number, since it is smaller than the sum of its proper divisors (283972158).

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

240442434 is a wasteful number, since it uses less digits than its factorization.

240442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88622 (or 88619 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 240442434 is about 15506.2063058635. The cubic root of 240442434 is about 621.8281404689.

Adding to 240442434 its reverse (434244042), we get a palindrome (674686476).

The spelling of 240442434 in words is "two hundred forty million, four hundred forty-two thousand, four hundred thirty-four".