42112444 has 24 divisors (see below), whose sum is σ = 80833536. Its totient is φ = 19038000.

The previous prime is 42112409. The next prime is 42112463. The reversal of 42112444 is 44421124.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 5899 + ... + 10909.

It is an arithmetic number, because the mean of its divisors is an integer number (3368064).

Almost surely, 2^42112444 is an apocalyptic number.

42112444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42112444 is a deficient number, since it is larger than the sum of its proper divisors (38721092).

42112444 is a wasteful number, since it uses less digits than its factorization.

42112444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217 (or 5215 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 42112444 is about 6489.4101426863. The cubic root of 42112444 is about 347.9125931005.

Adding to 42112444 its reverse (44421124), we get a palindrome (86533568).

The spelling of 42112444 in words is "forty-two million, one hundred twelve thousand, four hundred forty-four".