10540640 has 96 divisors (see below), whose sum is σ = 27923616. Its totient is φ = 3727360.

The previous prime is 10540637. The next prime is 10540661. The reversal of 10540640 is 4604501.

It is a happy number.

It is a super-2 number, since 2×10540640² = 222210183219200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93224 + ... + 93336.

It is an arithmetic number, because the mean of its divisors is an integer number (290871).

Almost surely, 2^10540640 is an apocalyptic number.

10540640 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 10540640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13961808).

10540640 is an abundant number, since it is smaller than the sum of its proper divisors (17382976).

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

10540640 is a wasteful number, since it uses less digits than its factorization.

10540640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10540640 is about 3246.6351812299. The cubic root of 10540640 is about 219.2581070312.

The spelling of 10540640 in words is "ten million, five hundred forty thousand, six hundred forty".