744286921392 has 90 divisors (see below), whose sum is σ = 2236783886148. Its totient is φ = 212641451904.

The previous prime is 744286921381. The next prime is 744286921393. The reversal of 744286921392 is 293129682447.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (744286921393) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 41830834 + ... + 41848622.

Almost surely, 2^744286921392 is an apocalyptic number.

It is an amenable number.

744286921392 is an abundant number, since it is smaller than the sum of its proper divisors (1492496964756).

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

744286921392 is an frugal number, since it uses more digits than its factorization.

744286921392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35603 (or 17801 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 744286921392 in words is "seven hundred forty-four billion, two hundred eighty-six million, nine hundred twenty-one thousand, three hundred ninety-two".