4516440 has 64 divisors (see below), whose sum is σ = 13793760. Its totient is φ = 1182720.

The previous prime is 4516439. The next prime is 4516453. The reversal of 4516440 is 446154.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4516440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7012 + ... + 7628.

Almost surely, 2^4516440 is an apocalyptic number.

4516440 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 4516440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6896880).

4516440 is an abundant number, since it is smaller than the sum of its proper divisors (9277320).

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

4516440 is a wasteful number, since it uses less digits than its factorization.

4516440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4516440 is about 2125.1917560540. The cubic root of 4516440 is about 165.2971687868.

The spelling of 4516440 in words is "four million, five hundred sixteen thousand, four hundred forty".