44143657049 has 8 divisors (see below), whose sum is σ = 47228762880. Its totient is φ = 41134726800.

The previous prime is 44143657021. The next prime is 44143657067. The reversal of 44143657049 is 94075634144.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44143657049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44143656994 and 44143657012.

It is not an unprimeable number, because it can be changed into a prime (44143657949) 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, 19042697 + ... + 19045014.

It is an arithmetic number, because the mean of its divisors is an integer number (5903595360).

Almost surely, 2^44143657049 is an apocalyptic number.

It is an amenable number.

44143657049 is a deficient number, since it is larger than the sum of its proper divisors (3085105831).

44143657049 is a wasteful number, since it uses less digits than its factorization.

44143657049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38087791.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 44143657049 in words is "forty-four billion, one hundred forty-three million, six hundred fifty-seven thousand, forty-nine".