4540920 has 64 divisors (see below), whose sum is σ = 13824000. Its totient is φ = 1193088.

The previous prime is 4540919. The next prime is 4540927. The reversal of 4540920 is 290454.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540927) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9241 + ... + 9719.

It is an arithmetic number, because the mean of its divisors is an integer number (216000).

Almost surely, 2^4540920 is an apocalyptic number.

4540920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4540920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6912000).

4540920 is an abundant number, since it is smaller than the sum of its proper divisors (9283080).

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

4540920 is a wasteful number, since it uses less digits than its factorization.

4540920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4540920 is about 2130.9434530273. The cubic root of 4540920 is about 165.5952786350.

It can be divided in two parts, 4540 and 920, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 4540920 in words is "four million, five hundred forty thousand, nine hundred twenty".