42479444 has 24 divisors (see below), whose sum is σ = 87033408. Its totient is φ = 17760960.

The previous prime is 42479431. The next prime is 42479467. The reversal of 42479444 is 44497424.

It is a junction number, because it is equal to n+sod(n) for n = 42479398 and 42479407.

It is a congruent number.

It is an unprimeable number.

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, 17354 + ... + 19649.

It is an arithmetic number, because the mean of its divisors is an integer number (3626392).

Almost surely, 2^42479444 is an apocalyptic number.

It is an amenable number.

42479444 is an abundant number, since it is smaller than the sum of its proper divisors (44553964).

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

42479444 is a wasteful number, since it uses less digits than its factorization.

42479444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37055 (or 37053 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 42479444 is about 6517.6256412899. The cubic root of 42479444 is about 348.9203300325.

The spelling of 42479444 in words is "forty-two million, four hundred seventy-nine thousand, four hundred forty-four".