42944461 has 4 divisors (see below), whose sum is σ = 49079392. Its totient is φ = 36809532.

The previous prime is 42944453. The next prime is 42944477. The reversal of 42944461 is 16444924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42944461 - 2³ = 42944453 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 (42944441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3067455 + ... + 3067468.

It is an arithmetic number, because the mean of its divisors is an integer number (12269848).

Almost surely, 2^42944461 is an apocalyptic number.

It is an amenable number.

42944461 is a deficient number, since it is larger than the sum of its proper divisors (6134931).

42944461 is an equidigital number, since it uses as much as digits as its factorization.

42944461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6134930.

The product of its digits is 27648, while the sum is 34.

The square root of 42944461 is about 6553.2023469446. The cubic root of 42944461 is about 350.1889075453.

The spelling of 42944461 in words is "forty-two million, nine hundred forty-four thousand, four hundred sixty-one".