44889782729 has 8 divisors (see below), whose sum is σ = 48975373440. Its totient is φ = 40804975600.

The previous prime is 44889782723. The next prime is 44889782737. The reversal of 44889782729 is 92728798844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44889782729 - 2⁴ = 44889782713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44889782723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72737 + ... + 308334.

It is an arithmetic number, because the mean of its divisors is an integer number (6121921680).

Almost surely, 2^44889782729 is an apocalyptic number.

It is an amenable number.

44889782729 is a deficient number, since it is larger than the sum of its proper divisors (4085590711).

44889782729 is a wasteful number, since it uses less digits than its factorization.

44889782729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391791.

The product of its digits is 130056192, while the sum is 68.

The spelling of 44889782729 in words is "forty-four billion, eight hundred eighty-nine million, seven hundred eighty-two thousand, seven hundred twenty-nine".