42113044 has 24 divisors (see below), whose sum is σ = 78049440. Its totient is φ = 19826784.

The previous prime is 42113009. The next prime is 42113047. The reversal of 42113044 is 44031124.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42113047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11547 + ... + 14749.

It is an arithmetic number, because the mean of its divisors is an integer number (3252060).

Almost surely, 2^42113044 is an apocalyptic number.

It is an amenable number.

42113044 is a deficient number, since it is larger than the sum of its proper divisors (35936396).

42113044 is a wasteful number, since it uses less digits than its factorization.

42113044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42113044 is about 6489.4563716848. The cubic root of 42113044 is about 347.9142453957.

Adding to 42113044 its reverse (44031124), we get a palindrome (86144168).

The spelling of 42113044 in words is "forty-two million, one hundred thirteen thousand, forty-four".