4550140 has 36 divisors (see below), whose sum is σ = 11117736. Its totient is φ = 1559712.

The previous prime is 4550137. The next prime is 4550167. The reversal of 4550140 is 410554.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1342 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (308826).

Almost surely, 2^4550140 is an apocalyptic number.

It is an amenable number.

4550140 is an abundant number, since it is smaller than the sum of its proper divisors (6567596).

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

4550140 is a wasteful number, since it uses less digits than its factorization.

4550140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4550140 is about 2133.1057170239. The cubic root of 4550140 is about 165.7072791613.

Adding to 4550140 its reverse (410554), we get a palindrome (4960694).

The spelling of 4550140 in words is "four million, five hundred fifty thousand, one hundred forty".