1240244432 has 40 divisors (see below), whose sum is σ = 2779363776. Its totient is φ = 525125376.

The previous prime is 1240244417. The next prime is 1240244443. The reversal of 1240244432 is 2344420421.

It is a happy number.

It is a super-2 number, since 2×1240244432² = 3076412502214005248, which contains 22 as substring.

It is a congruent 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, 57413 + ... + 76004.

Almost surely, 2^1240244432 is an apocalyptic number.

It is an amenable number.

1240244432 is an abundant number, since it is smaller than the sum of its proper divisors (1539119344).

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

1240244432 is a wasteful number, since it uses less digits than its factorization.

1240244432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133515 (or 133509 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1240244432 is about 35217.1042534732. The cubic root of 1240244432 is about 1074.4076583830.

Adding to 1240244432 its reverse (2344420421), we get a palindrome (3584664853).

The spelling of 1240244432 in words is "one billion, two hundred forty million, two hundred forty-four thousand, four hundred thirty-two".