5042340 has 72 divisors (see below), whose sum is σ = 15495480. Its totient is φ = 1327104.

The previous prime is 5042327. The next prime is 5042341. The reversal of 5042340 is 432405.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2359296 + 2683044 = 1536^2 + 1638^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (5042341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19492 + ... + 19748.

It is an arithmetic number, because the mean of its divisors is an integer number (215215).

Almost surely, 2^5042340 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 5042340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7747740).

5042340 is an abundant number, since it is smaller than the sum of its proper divisors (10453140).

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

5042340 is a wasteful number, since it uses less digits than its factorization.

5042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 5042340 is about 2245.5155310084. The cubic root of 5042340 is about 171.4789078374.

Adding to 5042340 its reverse (432405), we get a palindrome (5474745).

The spelling of 5042340 in words is "five million, forty-two thousand, three hundred forty".