5400040 has 32 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 2140992.

The previous prime is 5400037. The next prime is 5400053. The reversal of 5400040 is 400045.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4549 + ... + 5611.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^5400040 is an apocalyptic number.

It is an amenable number.

5400040 is an abundant number, since it is smaller than the sum of its proper divisors (6857240).

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

5400040 is a wasteful number, since it uses less digits than its factorization.

5400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 5400040 is about 2323.7986143382. The cubic root of 5400040 is about 175.4414974795.

Adding to 5400040 its reverse (400045), we get a palindrome (5800085).

The spelling of 5400040 in words is "five million, four hundred thousand, forty".