5442540 has 24 divisors (see below), whose sum is σ = 15239280. Its totient is φ = 1451328.

The previous prime is 5442539. The next prime is 5442571. The reversal of 5442540 is 452445.

It is a self number, because there is not a number n which added to its sum of digits gives 5442540.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45295 + ... + 45414.

It is an arithmetic number, because the mean of its divisors is an integer number (634970).

Almost surely, 2^5442540 is an apocalyptic number.

It is an amenable number.

5442540 is an abundant number, since it is smaller than the sum of its proper divisors (9796740).

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

5442540 is a wasteful number, since it uses less digits than its factorization.

5442540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90721 (or 90719 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 5442540 is about 2332.9252024015. The cubic root of 5442540 is about 175.9005550473.

Adding to 5442540 its reverse (452445), we get a palindrome (5894985).

The spelling of 5442540 in words is "five million, four hundred forty-two thousand, five hundred forty".