1240244442 has 24 divisors (see below), whose sum is σ = 2749690944. Its totient is φ = 403800264.

The previous prime is 1240244417. The next prime is 1240244443. The reversal of 1240244442 is 2444420421.

It is not an unprimeable number, because it can be changed into a prime (1240244443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800418 + ... + 801965.

It is an arithmetic number, because the mean of its divisors is an integer number (114570456).

Almost surely, 2^1240244442 is an apocalyptic number.

1240244442 is an abundant number, since it is smaller than the sum of its proper divisors (1509446502).

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

1240244442 is a wasteful number, since it uses less digits than its factorization.

1240244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602434 (or 1602431 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 1240244442 is about 35217.1043954497. The cubic root of 1240244442 is about 1074.4076612706.

Adding to 1240244442 its reverse (2444420421), we get a palindrome (3684664863).

The spelling of 1240244442 in words is "one billion, two hundred forty million, two hundred forty-four thousand, four hundred forty-two".