44040387042457 has 8 divisors (see below), whose sum is σ = 48531088405184. Its totient is φ = 39707254148688.

The previous prime is 44040387042287. The next prime is 44040387042469. The reversal of 44040387042457 is 75424078304044.

It is a happy number.

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-44040387042457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44040387042497) 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, 39392116653 + ... + 39392117770.

It is an arithmetic number, because the mean of its divisors is an integer number (6066386050648).

Almost surely, 2^{44040387042457} is an apocalyptic number.

It is an amenable number.

44040387042457 is a deficient number, since it is larger than the sum of its proper divisors (4490701362727).

44040387042457 is a wasteful number, since it uses less digits than its factorization.

44040387042457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78784234479.

The product of its (nonzero) digits is 12042240, while the sum is 52.

The spelling of 44040387042457 in words is "forty-four trillion, forty billion, three hundred eighty-seven million, forty-two thousand, four hundred fifty-seven".