5128640 has 112 divisors (see below), whose sum is σ = 14045184. Its totient is φ = 1766400.

The previous prime is 5128639. The next prime is 5128657. The reversal of 5128640 is 468215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109097 + ... + 109143.

Almost surely, 2^5128640 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 5128640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7022592).

5128640 is an abundant number, since it is smaller than the sum of its proper divisors (8916544).

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

5128640 is a wasteful number, since it uses less digits than its factorization.

5128640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 5128640 is about 2264.6500833462. The cubic root of 5128640 is about 172.4516702805.

The spelling of 5128640 in words is "five million, one hundred twenty-eight thousand, six hundred forty".