42844460 has 24 divisors (see below), whose sum is σ = 90221040. Its totient is φ = 17090624.

The previous prime is 42844441. The next prime is 42844463. The reversal of 42844460 is 6444824.

It is not an unprimeable number, because it can be changed into a prime (42844463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5027 + ... + 10533.

It is an arithmetic number, because the mean of its divisors is an integer number (3759210).

Almost surely, 2^42844460 is an apocalyptic number.

It is an amenable number.

42844460 is an abundant number, since it is smaller than the sum of its proper divisors (47376580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42844460 is a wasteful number, since it uses less digits than its factorization.

42844460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905 (or 5903 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 42844460 is about 6545.5679661890. The cubic root of 42844460 is about 349.9168782201.

The spelling of 42844460 in words is "forty-two million, eight hundred forty-four thousand, four hundred sixty".