42944582477 has 8 divisors (see below), whose sum is σ = 45208653600. Its totient is φ = 40680894384.

The previous prime is 42944582413. The next prime is 42944582479. The reversal of 42944582477 is 77428544924.

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 42944582477 - 2⁶ = 42944582413 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 (42944582479) 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, 150674 + ... + 329532.

It is an arithmetic number, because the mean of its divisors is an integer number (5651081700).

Almost surely, 2^42944582477 is an apocalyptic number.

It is an amenable number.

42944582477 is a deficient number, since it is larger than the sum of its proper divisors (2264071123).

42944582477 is a wasteful number, since it uses less digits than its factorization.

42944582477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191515.

The product of its digits is 18063360, while the sum is 56.

The spelling of 42944582477 in words is "forty-two billion, nine hundred forty-four million, five hundred eighty-two thousand, four hundred seventy-seven".