4242040 has 64 divisors (see below), whose sum is σ = 10782720. Its totient is φ = 1488000.

The previous prime is 4242031. The next prime is 4242059. The reversal of 4242040 is 402424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13485 + ... + 13795.

It is an arithmetic number, because the mean of its divisors is an integer number (168480).

Almost surely, 2^4242040 is an apocalyptic number.

4242040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4242040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5391360).

4242040 is an abundant number, since it is smaller than the sum of its proper divisors (6540680).

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

4242040 is a wasteful number, since it uses less digits than its factorization.

4242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4242040 is about 2059.6213244186. The cubic root of 4242040 is about 161.8794001577.

Adding to 4242040 its reverse (402424), we get a palindrome (4644464).

The spelling of 4242040 in words is "four million, two hundred forty-two thousand, forty".