10650240 has 144 divisors (see below), whose sum is σ = 37651770. Its totient is φ = 2774016.

The previous prime is 10650239. The next prime is 10650251. The reversal of 10650240 is 4205601.

It is a happy number.

10650240 is a `hidden beast` number, since 10 + 650 + 2 + 4 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 1065024 = 3096^2 + 1032^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×10650240² = 226855224115200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 247659 + ... + 247701.

Almost surely, 2^10650240 is an apocalyptic number.

10650240 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 10650240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18825885).

10650240 is an abundant number, since it is smaller than the sum of its proper divisors (27001530).

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

10650240 is an equidigital number, since it uses as much as digits as its factorization.

10650240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10650240 is about 3263.4705452938. The cubic root of 10650240 is about 220.0154259156.

Adding to 10650240 its reverse (4205601), we get a palindrome (14855841).

The spelling of 10650240 in words is "ten million, six hundred fifty thousand, two hundred forty".