10640552 has 32 divisors (see below), whose sum is σ = 21719880. Its totient is φ = 4857600.

The previous prime is 10640543. The next prime is 10640569. The reversal of 10640552 is 25504601.

It can be written as a sum of positive squares in 4 ways, for example, as 6584356 + 4056196 = 2566^2 + 2014^2 .

It is a super-2 number, since 2×10640552² = 226442693729408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9998 + ... + 11010.

Almost surely, 2^10640552 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 10640552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10859940).

10640552 is an abundant number, since it is smaller than the sum of its proper divisors (11079328).

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

10640552 is a wasteful number, since it uses less digits than its factorization.

10640552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10640552 is about 3261.9858981915. The cubic root of 10640552 is about 219.9486932697.

The spelling of 10640552 in words is "ten million, six hundred forty thousand, five hundred fifty-two".