4169440 has 96 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 1436160.

The previous prime is 4169423. The next prime is 4169441. The reversal of 4169440 is 449614.

It is a junction number, because it is equal to n+sod(n) for n = 4169399 and 4169408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4169441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40429 + ... + 40531.

It is an arithmetic number, because the mean of its divisors is an integer number (117936).

Almost surely, 2^4169440 is an apocalyptic number.

4169440 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 4169440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5660928).

4169440 is an abundant number, since it is smaller than the sum of its proper divisors (7152416).

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

4169440 is a wasteful number, since it uses less digits than its factorization.

4169440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4169440 is about 2041.9206644725. The cubic root of 4169440 is about 160.9505911681.

The spelling of 4169440 in words is "four million, one hundred sixty-nine thousand, four hundred forty".