42544034 has 16 divisors (see below), whose sum is σ = 68854968. Its totient is φ = 19598592.

The previous prime is 42544031. The next prime is 42544063. The reversal of 42544034 is 43044524.

It can be written as a sum of positive squares in 4 ways, for example, as 42289009 + 255025 = 6503^2 + 505^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 42543994 and 42544012.

It is not an unprimeable number, because it can be changed into a prime (42544031) by changing a digit.

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, 16394 + ... + 18810.

Almost surely, 2^42544034 is an apocalyptic number.

42544034 is a deficient number, since it is larger than the sum of its proper divisors (26310934).

42544034 is a wasteful number, since it uses less digits than its factorization.

42544034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 42544034 is about 6522.5787844993. The cubic root of 42544034 is about 349.0970849462.

Adding to 42544034 its reverse (43044524), we get a palindrome (85588558).

The spelling of 42544034 in words is "forty-two million, five hundred forty-four thousand, thirty-four".