10559640 has 128 divisors (see below), whose sum is σ = 39029760. Its totient is φ = 2225664.

The previous prime is 10559603. The next prime is 10559657. The reversal of 10559640 is 4695501.

It is a super-2 number, since 2×10559640² = 223011993859200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10559598 and 10559607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10437 + ... + 11403.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

Almost surely, 2^10559640 is an apocalyptic number.

10559640 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 10559640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19514880).

10559640 is an abundant number, since it is smaller than the sum of its proper divisors (28470120).

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

10559640 is a wasteful number, since it uses less digits than its factorization.

10559640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 10559640 is about 3249.5599702114. The cubic root of 10559640 is about 219.3897689751.

The spelling of 10559640 in words is "ten million, five hundred fifty-nine thousand, six hundred forty".