42044860 has 96 divisors (see below), whose sum is σ = 105868224. Its totient is φ = 13824000.

The previous prime is 42044833. The next prime is 42044869. The reversal of 42044860 is 6844024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174340 + ... + 174580.

It is an arithmetic number, because the mean of its divisors is an integer number (1102794).

Almost surely, 2^42044860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42044860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52934112).

42044860 is an abundant number, since it is smaller than the sum of its proper divisors (63823364).

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

42044860 is a wasteful number, since it uses less digits than its factorization.

42044860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 42044860 is about 6484.2007988649. The cubic root of 42044860 is about 347.7263780367.

Adding to 42044860 its reverse (6844024), we get a palindrome (48888884).

The spelling of 42044860 in words is "forty-two million, forty-four thousand, eight hundred sixty".