44040040039 has 8 divisors (see below), whose sum is σ = 44096062752. Its totient is φ = 43984046880.

The previous prime is 44040040021. The next prime is 44040040067. The reversal of 44040040039 is 93004004044.

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 44040040039 - 2¹¹ = 44040037991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44040039989 and 44040040016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44040440039) 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, 4771449 + ... + 4780669.

It is an arithmetic number, because the mean of its divisors is an integer number (5512007844).

Almost surely, 2^44040040039 is an apocalyptic number.

44040040039 is a deficient number, since it is larger than the sum of its proper divisors (56022713).

44040040039 is a wasteful number, since it uses less digits than its factorization.

44040040039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14777.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 44040040039 in words is "forty-four billion, forty million, forty thousand, thirty-nine".