10540240 has 40 divisors (see below), whose sum is σ = 24641280. Its totient is φ = 4192896.

The previous prime is 10540237. The next prime is 10540261. The reversal of 10540240 is 4204501.

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

It is a super-2 number, since 2×10540240² = 222193318515200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28537 + ... + 28903.

It is an arithmetic number, because the mean of its divisors is an integer number (616032).

Almost surely, 2^10540240 is an apocalyptic number.

10540240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10540240 is an abundant number, since it is smaller than the sum of its proper divisors (14101040).

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

10540240 is a wasteful number, since it uses less digits than its factorization.

10540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10540240 is about 3246.5735784054. The cubic root of 10540240 is about 219.2553335009.

Adding to 10540240 its reverse (4204501), we get a palindrome (14744741).

The spelling of 10540240 in words is "ten million, five hundred forty thousand, two hundred forty".