42012044 has 24 divisors (see below), whose sum is σ = 76014288. Its totient is φ = 20303360.

The previous prime is 42012017. The next prime is 42012073. The reversal of 42012044 is 44021024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17399 + ... + 19665.

It is an arithmetic number, because the mean of its divisors is an integer number (3167262).

Almost surely, 2^42012044 is an apocalyptic number.

It is an amenable number.

42012044 is a deficient number, since it is larger than the sum of its proper divisors (34002244).

42012044 is a wasteful number, since it uses less digits than its factorization.

42012044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42012044 is about 6481.6698465750. The cubic root of 42012044 is about 347.6358877139.

Adding to 42012044 its reverse (44021024), we get a palindrome (86033068).

The spelling of 42012044 in words is "forty-two million, twelve thousand, forty-four".