42017244 has 12 divisors (see below), whose sum is σ = 98040264. Its totient is φ = 14005744.

The previous prime is 42017231. The next prime is 42017249. The reversal of 42017244 is 44271024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42017249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750707 + ... + 1750730.

It is an arithmetic number, because the mean of its divisors is an integer number (8170022).

Almost surely, 2^42017244 is an apocalyptic number.

It is an amenable number.

42017244 is an abundant number, since it is smaller than the sum of its proper divisors (56023020).

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

42017244 is a wasteful number, since it uses less digits than its factorization.

42017244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501444 (or 3501442 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 42017244 is about 6482.0709653628. The cubic root of 42017244 is about 347.6502298871.

Adding to 42017244 its reverse (44271024), we get a palindrome (86288268).

The spelling of 42017244 in words is "forty-two million, seventeen thousand, two hundred forty-four".