10040240 has 40 divisors (see below), whose sum is σ = 26679840. Its totient is φ = 3442176.

The previous prime is 10040237. The next prime is 10040269. The reversal of 10040240 is 4204001.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8405 + ... + 9524.

It is an arithmetic number, because the mean of its divisors is an integer number (666996).

Almost surely, 2^10040240 is an apocalyptic number.

10040240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10040240 is an abundant number, since it is smaller than the sum of its proper divisors (16639600).

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

10040240 is a wasteful number, since it uses less digits than its factorization.

10040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17949 (or 17943 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 10040240 is about 3168.6337749888. The cubic root of 10040240 is about 215.7320637533.

Adding to 10040240 its reverse (4204001), we get a palindrome (14244241).

The spelling of 10040240 in words is "ten million, forty thousand, two hundred forty".