44544243226491 has 6 divisors (see below), whose sum is σ = 64341684660500. Its totient is φ = 29696162150988.

The previous prime is 44544243226487. The next prime is 44544243226507. The reversal of 44544243226491 is 19462234244544.

44544243226491 is a `hidden beast` number, since 4 + 4 + 54 + 4 + 243 + 2 + 264 + 91 = 666.

It is not a de Polignac number, because 44544243226491 - 2² = 44544243226487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44544243226421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2474680179241 + ... + 2474680179258.

Almost surely, 2^{44544243226491} is an apocalyptic number.

44544243226491 is a deficient number, since it is larger than the sum of its proper divisors (19797441434009).

44544243226491 is a wasteful number, since it uses less digits than its factorization.

44544243226491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949360358505 (or 4949360358502 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 54.

The spelling of 44544243226491 in words is "forty-four trillion, five hundred forty-four billion, two hundred forty-three million, two hundred twenty-six thousand, four hundred ninety-one".