42025844 has 24 divisors (see below), whose sum is σ = 84342720. Its totient is φ = 17948736.

The previous prime is 42025831. The next prime is 42025871. The reversal of 42025844 is 44852024.

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, 6152 + ... + 11040.

It is an arithmetic number, because the mean of its divisors is an integer number (3514280).

Almost surely, 2^42025844 is an apocalyptic number.

It is an amenable number.

42025844 is an abundant number, since it is smaller than the sum of its proper divisors (42316876).

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

42025844 is a wasteful number, since it uses less digits than its factorization.

42025844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207 (or 5205 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 42025844 is about 6482.7342996609. The cubic root of 42025844 is about 347.6739470385.

Adding to 42025844 its reverse (44852024), we get a palindrome (86877868).

The spelling of 42025844 in words is "forty-two million, twenty-five thousand, eight hundred forty-four".