5159440 has 120 divisors (see below), whose sum is σ = 14545944. Its totient is φ = 1689600.

The previous prime is 5159389. The next prime is 5159443. The reversal of 5159440 is 449515.

5159440 = T₁₆₃ + T₁₆₄ + ... + T₃₂₇.

It can be written as a sum of positive squares in 4 ways, for example, as 123904 + 5035536 = 352^2 + 2244^2 .

It is a super-2 number, since 2×5159440² = 53239642227200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5159399 and 5159408.

It is not an unprimeable number, because it can be changed into a prime (5159443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125820 + ... + 125860.

Almost surely, 2^5159440 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 5159440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7272972).

5159440 is an abundant number, since it is smaller than the sum of its proper divisors (9386504).

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

5159440 is a wasteful number, since it uses less digits than its factorization.

5159440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5159440 is about 2271.4400718487. The cubic root of 5159440 is about 172.7962004766.

The spelling of 5159440 in words is "five million, one hundred fifty-nine thousand, four hundred forty".