10011240 has 48 divisors (see below), whose sum is σ = 32537700. Its totient is φ = 2669568.

The previous prime is 10011229. The next prime is 10011247. The reversal of 10011240 is 4211001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9998244 + 12996 = 3162^2 + 114^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13545 + ... + 14264.

Almost surely, 2^10011240 is an apocalyptic number.

10011240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011240 is an abundant number, since it is smaller than the sum of its proper divisors (22526460).

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

10011240 is a wasteful number, since it uses less digits than its factorization.

10011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27826 (or 27819 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10011240 is about 3164.0543611006. The cubic root of 10011240 is about 215.5241582655.

Adding to 10011240 its reverse (4211001), we get a palindrome (14222241).

The spelling of 10011240 in words is "ten million, eleven thousand, two hundred forty".