44243645477 has 8 divisors (see below), whose sum is σ = 46849228416. Its totient is φ = 41638397632.

The previous prime is 44243645449. The next prime is 44243645483. The reversal of 44243645477 is 77454634244.

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 44243645477 - 2⁸ = 44243645221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44243645417) 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, 219458 + ... + 369660.

It is an arithmetic number, because the mean of its divisors is an integer number (5856153552).

Almost surely, 2^44243645477 is an apocalyptic number.

It is an amenable number.

44243645477 is a deficient number, since it is larger than the sum of its proper divisors (2605582939).

44243645477 is a wasteful number, since it uses less digits than its factorization.

44243645477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167547.

The product of its digits is 9031680, while the sum is 50.

The spelling of 44243645477 in words is "forty-four billion, two hundred forty-three million, six hundred forty-five thousand, four hundred seventy-seven".