744864026064 has 80 divisors (see below), whose sum is σ = 1990877486400. Its totient is φ = 239691117568.

The previous prime is 744864026063. The next prime is 744864026129. The reversal of 744864026064 is 460620468447.

It is a junction number, because it is equal to n+sod(n) for n = 744864025998 and 744864026016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744864026063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10436452 + ... + 10507580.

It is an arithmetic number, because the mean of its divisors is an integer number (24885968580).

Almost surely, 2^744864026064 is an apocalyptic number.

It is an amenable number.

744864026064 is an abundant number, since it is smaller than the sum of its proper divisors (1246013460336).

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

744864026064 is a wasteful number, since it uses less digits than its factorization.

744864026064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78692 (or 78686 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 744864026064 in words is "seven hundred forty-four billion, eight hundred sixty-four million, twenty-six thousand, sixty-four".