10564840 has 64 divisors (see below), whose sum is σ = 27941760. Its totient is φ = 3544320.

The previous prime is 10564823. The next prime is 10564849. The reversal of 10564840 is 4846501.

It is a super-2 number, since 2×10564840² = 223231688451200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10564799 and 10564808.

It is not an unprimeable number, because it can be changed into a prime (10564849) 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, 4797 + ... + 6643.

It is an arithmetic number, because the mean of its divisors is an integer number (436590).

Almost surely, 2^10564840 is an apocalyptic number.

10564840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10564840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13970880).

10564840 is an abundant number, since it is smaller than the sum of its proper divisors (17376920).

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

10564840 is a wasteful number, since it uses less digits than its factorization.

10564840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 10564840 is about 3250.3599800637. The cubic root of 10564840 is about 219.4257752400.

The spelling of 10564840 in words is "ten million, five hundred sixty-four thousand, eight hundred forty".