4540400 has 30 divisors (see below), whose sum is σ = 10909272. Its totient is φ = 1816000.

The previous prime is 4540397. The next prime is 4540423. The reversal of 4540400 is 40454.

It is an Ulam number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 5276 + ... + 6075.

Almost surely, 2^4540400 is an apocalyptic number.

4540400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4540400 is an abundant number, since it is smaller than the sum of its proper divisors (6368872).

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

4540400 is a wasteful number, since it uses less digits than its factorization.

4540400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369 (or 11358 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4540400 is about 2130.8214378497. The cubic root of 4540400 is about 165.5889573879.

Adding to 4540400 its reverse (40454), we get a palindrome (4580854).

The spelling of 4540400 in words is "four million, five hundred forty thousand, four hundred".