1240424344 has 16 divisors (see below), whose sum is σ = 2340612000. Its totient is φ = 616261152.

The previous prime is 1240424323. The next prime is 1240424369. The reversal of 1240424344 is 4434240421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492544 + ... + 495055.

It is an arithmetic number, because the mean of its divisors is an integer number (146288250).

Almost surely, 2^1240424344 is an apocalyptic number.

It is an amenable number.

1240424344 is a deficient number, since it is larger than the sum of its proper divisors (1100187656).

1240424344 is a wasteful number, since it uses less digits than its factorization.

1240424344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987762 (or 987758 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1240424344 is about 35219.6584878389. The cubic root of 1240424344 is about 1074.4596076815.

Adding to 1240424344 its reverse (4434240421), we get a palindrome (5674664765).

The spelling of 1240424344 in words is "one billion, two hundred forty million, four hundred twenty-four thousand, three hundred forty-four".