5440446 has 80 divisors (see below), whose sum is σ = 13799808. Its totient is φ = 1587600.

The previous prime is 5440427. The next prime is 5440447. The reversal of 5440446 is 6440445.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 76591 + ... + 76661.

Almost surely, 2^5440446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5440446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6899904).

5440446 is an abundant number, since it is smaller than the sum of its proper divisors (8359362).

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

5440446 is a wasteful number, since it uses less digits than its factorization.

5440446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 5440446 is about 2332.4763664398. The cubic root of 5440446 is about 175.8779930933.

Subtracting 5440446 from its reverse (6440445), we obtain a palindrome (999999).

It can be divided in two parts, 5440 and 446, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 5440446 in words is "five million, four hundred forty thousand, four hundred forty-six".