1240436672 has 28 divisors (see below), whose sum is σ = 2466889656. Its totient is φ = 618858240.

The previous prime is 1240436663. The next prime is 1240436711. The reversal of 1240436672 is 2766340421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8483 + ... + 50525.

It is an arithmetic number, because the mean of its divisors is an integer number (88103202).

Almost surely, 2^1240436672 is an apocalyptic number.

It is an amenable number.

1240436672 is a deficient number, since it is larger than the sum of its proper divisors (1226452984).

1240436672 is an equidigital number, since it uses as much as digits as its factorization.

1240436672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42516 (or 42506 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 1240436672 is about 35219.8335032975. The cubic root of 1240436672 is about 1074.4631671876.

The spelling of 1240436672 in words is "one billion, two hundred forty million, four hundred thirty-six thousand, six hundred seventy-two".