744664857352 has 64 divisors (see below), whose sum is σ = 1526516006400. Its totient is φ = 338467852800.

The previous prime is 744664857323. The next prime is 744664857373. The reversal of 744664857352 is 253758466447.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29259849 + ... + 29285287.

It is an arithmetic number, because the mean of its divisors is an integer number (23851812600).

Almost surely, 2^744664857352 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 744664857352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763258003200).

744664857352 is an abundant number, since it is smaller than the sum of its proper divisors (781851149048).

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

744664857352 is a wasteful number, since it uses less digits than its factorization.

744664857352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29726 (or 29722 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 61.

The spelling of 744664857352 in words is "seven hundred forty-four billion, six hundred sixty-four million, eight hundred fifty-seven thousand, three hundred fifty-two".