4500400 has 30 divisors (see below), whose sum is σ = 10813172. Its totient is φ = 1800000.

The previous prime is 4500383. The next prime is 4500401. The reversal of 4500400 is 40054.

It is not an unprimeable number, because it can be changed into a prime (4500401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5226 + ... + 6025.

Almost surely, 2^4500400 is an apocalyptic number.

4500400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4500400 is an abundant number, since it is smaller than the sum of its proper divisors (6312772).

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

4500400 is a wasteful number, since it uses less digits than its factorization.

4500400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11269 (or 11258 counting only the distinct ones).

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

The square root of 4500400 is about 2121.4146223688. The cubic root of 4500400 is about 165.1012540439.

Adding to 4500400 its reverse (40054), we get a palindrome (4540454).

It can be divided in two parts, 4500 and 400, that added together give a square (4900 = 70²).

The spelling of 4500400 in words is "four million, five hundred thousand, four hundred".