4240542 has 8 divisors (see below), whose sum is σ = 8481096. Its totient is φ = 1413512.

The previous prime is 4240541. The next prime is 4240547. The reversal of 4240542 is 2450424.

It is a sphenic number, since it is the product of 3 distinct primes.

4240542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240541) 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, 353373 + ... + 353384.

It is an arithmetic number, because the mean of its divisors is an integer number (1060137).

Almost surely, 2^4240542 is an apocalyptic number.

4240542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4240542 is a wasteful number, since it uses less digits than its factorization.

4240542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706762.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4240542 is about 2059.2576332261. The cubic root of 4240542 is about 161.8603429830.

Adding to 4240542 its reverse (2450424), we get a palindrome (6690966).

The spelling of 4240542 in words is "four million, two hundred forty thousand, five hundred forty-two".