42041444 has 24 divisors (see below), whose sum is σ = 76536768. Its totient is φ = 20190240.

The previous prime is 42041431. The next prime is 42041497. The reversal of 42041444 is 44414024.

42041444 = T₄₃₇ + T₄₃₈ + ... + T₆₉₄.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8489 + ... + 12495.

It is an arithmetic number, because the mean of its divisors is an integer number (3189032).

Almost surely, 2^42041444 is an apocalyptic number.

It is an amenable number.

42041444 is a deficient number, since it is larger than the sum of its proper divisors (34495324).

42041444 is a wasteful number, since it uses less digits than its factorization.

42041444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 42041444 is about 6483.9373840283. The cubic root of 42041444 is about 347.7169605916.

Adding to 42041444 its reverse (44414024), we get a palindrome (86455468).

The spelling of 42041444 in words is "forty-two million, forty-one thousand, four hundred forty-four".