42534044 has 24 divisors (see below), whose sum is σ = 86513280. Its totient is φ = 17919216.

The previous prime is 42534043. The next prime is 42534049. The reversal of 42534044 is 44043524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534043) 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, 11222 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (3604720).

Almost surely, 2^42534044 is an apocalyptic number.

It is an amenable number.

42534044 is an abundant number, since it is smaller than the sum of its proper divisors (43979236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42534044 is a wasteful number, since it uses less digits than its factorization.

42534044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25817 (or 25815 counting only the distinct ones).

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

The square root of 42534044 is about 6521.8129381331. The cubic root of 42534044 is about 349.0697583346.

Adding to 42534044 its reverse (44043524), we get a palindrome (86577568).

The spelling of 42534044 in words is "forty-two million, five hundred thirty-four thousand, forty-four".