42620444 has 12 divisors (see below), whose sum is σ = 74791584. Its totient is φ = 21251424.

The previous prime is 42620423. The next prime is 42620447. The reversal of 42620444 is 44402624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620447) 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 3 ways as a sum of consecutive naturals, for example, 13049 + ... + 15984.

It is an arithmetic number, because the mean of its divisors is an integer number (6232632).

Almost surely, 2^42620444 is an apocalyptic number.

It is an amenable number.

42620444 is a deficient number, since it is larger than the sum of its proper divisors (32171140).

42620444 is a wasteful number, since it uses less digits than its factorization.

42620444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29404 (or 29402 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 42620444 is about 6528.4335027631. The cubic root of 42620444 is about 349.3059552416.

The spelling of 42620444 in words is "forty-two million, six hundred twenty thousand, four hundred forty-four".