744978529332 has 18 divisors (see below), whose sum is σ = 1883140171458. Its totient is φ = 248326176432.

The previous prime is 744978529307. The next prime is 744978529349. The reversal of 744978529332 is 233925879447.

744978529332 is a `hidden beast` number, since 7 + 4 + 4 + 9 + 78 + 529 + 3 + 32 = 666.

744978529332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 688279299876 + 56699229456 = 829626^2 + 238116^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 744978529332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10346923983 + ... + 10346924054.

Almost surely, 2^744978529332 is an apocalyptic number.

It is an amenable number.

744978529332 is an abundant number, since it is smaller than the sum of its proper divisors (1138161642126).

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

744978529332 is a wasteful number, since it uses less digits than its factorization.

744978529332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20693848047 (or 20693848042 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 744978529332 in words is "seven hundred forty-four billion, nine hundred seventy-eight million, five hundred twenty-nine thousand, three hundred thirty-two".