5163440 has 80 divisors (see below), whose sum is σ = 13094400. Its totient is φ = 1886976.

The previous prime is 5163437. The next prime is 5163443. The reversal of 5163440 is 443615.

5163440 = 35² + 36² + ... + 249².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5163437) and next prime (5163443).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×5163440² = 53322225267200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5163443) 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, 65321 + ... + 65399.

It is an arithmetic number, because the mean of its divisors is an integer number (163680).

Almost surely, 2^5163440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5163440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6547200).

5163440 is an abundant number, since it is smaller than the sum of its proper divisors (7930960).

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

5163440 is a wasteful number, since it uses less digits than its factorization.

5163440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 5163440 is about 2272.3203999436. The cubic root of 5163440 is about 172.8408439688.

The spelling of 5163440 in words is "five million, one hundred sixty-three thousand, four hundred forty".