4554540 has 36 divisors (see below), whose sum is σ = 13815984. Its totient is φ = 1214496.

The previous prime is 4554527. The next prime is 4554541. The reversal of 4554540 is 454554.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4554540² = 41487669223200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4554541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12472 + ... + 12831.

Almost surely, 2^4554540 is an apocalyptic number.

It is an amenable number.

4554540 is an abundant number, since it is smaller than the sum of its proper divisors (9261444).

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

4554540 is a wasteful number, since it uses less digits than its factorization.

4554540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25318 (or 25313 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 4554540 is about 2134.1368278534. The cubic root of 4554540 is about 165.7606751108.

The spelling of 4554540 in words is "four million, five hundred fifty-four thousand, five hundred forty".