5126640 has 80 divisors (see below), whose sum is σ = 16311456. Its totient is φ = 1331200.

The previous prime is 5126629. The next prime is 5126647. The reversal of 5126640 is 466215.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5126640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5126647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9580 + ... + 10100.

Almost surely, 2^5126640 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 5126640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8155728).

5126640 is an abundant number, since it is smaller than the sum of its proper divisors (11184816).

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

5126640 is a wasteful number, since it uses less digits than its factorization.

5126640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 5126640 is about 2264.2084709673. The cubic root of 5126640 is about 172.4292505498.

The spelling of 5126640 in words is "five million, one hundred twenty-six thousand, six hundred forty".