10017640 has 16 divisors (see below), whose sum is σ = 22539780. Its totient is φ = 4007040.

The previous prime is 10017613. The next prime is 10017643. The reversal of 10017640 is 4671001.

It is a happy number.

10017640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9253764 + 763876 = 3042^2 + 874^2 .

It is a super-2 number, since 2×10017640² = 200706222339200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10017643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125181 + ... + 125260.

Almost surely, 2^10017640 is an apocalyptic number.

10017640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10017640 is an abundant number, since it is smaller than the sum of its proper divisors (12522140).

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

10017640 is a wasteful number, since it uses less digits than its factorization.

10017640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250452 (or 250448 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 10017640 is about 3165.0655601425. The cubic root of 10017640 is about 215.5700753476.

Adding to 10017640 its reverse (4671001), we get a palindrome (14688641).

The spelling of 10017640 in words is "ten million, seventeen thousand, six hundred forty".