4650440 has 64 divisors (see below), whose sum is σ = 11448000. Its totient is φ = 1693440.

The previous prime is 4650427. The next prime is 4650461. The reversal of 4650440 is 440564.

It is a happy 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, 21935 + ... + 22145.

It is an arithmetic number, because the mean of its divisors is an integer number (178875).

Almost surely, 2^4650440 is an apocalyptic number.

4650440 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 4650440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5724000).

4650440 is an abundant number, since it is smaller than the sum of its proper divisors (6797560).

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

4650440 is a wasteful number, since it uses less digits than its factorization.

4650440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4650440 is about 2156.4878854285. The cubic root of 4650440 is about 166.9160178689.

The spelling of 4650440 in words is "four million, six hundred fifty thousand, four hundred forty".