744998656320 has 336 divisors, whose sum is σ = 2671367662080. Its totient is φ = 190351872000.

The previous prime is 744998656231. The next prime is 744998656357. The reversal of 744998656320 is 23656899447.

744998656320 is a `hidden beast` number, since 7 + 4 + 49 + 9 + 8 + 6 + 563 + 20 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8975971 + ... + 9058589.

Almost surely, 2^744998656320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744998656320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335683831040).

744998656320 is an abundant number, since it is smaller than the sum of its proper divisors (1926369005760).

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

744998656320 is a wasteful number, since it uses less digits than its factorization.

744998656320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82774 (or 82761 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 744998656320 in words is "seven hundred forty-four billion, nine hundred ninety-eight million, six hundred fifty-six thousand, three hundred twenty".