5216440 has 16 divisors (see below), whose sum is σ = 11737080. Its totient is φ = 2086560.

The previous prime is 5216411. The next prime is 5216443. The reversal of 5216440 is 446125.

It is a super-2 number, since 2×5216440² = 54422492547200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65166 + ... + 65245.

Almost surely, 2^5216440 is an apocalyptic number.

It is an amenable number.

5216440 is an abundant number, since it is smaller than the sum of its proper divisors (6520640).

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

5216440 is a wasteful number, since it uses less digits than its factorization.

5216440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130422 (or 130418 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5216440 is about 2283.9527140464. The cubic root of 5216440 is about 173.4302055477.

The spelling of 5216440 in words is "five million, two hundred sixteen thousand, four hundred forty".