10533840 has 40 divisors (see below), whose sum is σ = 32655648. Its totient is φ = 2808960.

The previous prime is 10533833. The next prime is 10533857. The reversal of 10533840 is 4833501.

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

It is a super-2 number, since 2×10533840² = 221923570291200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10533840.

It is a congruent number.

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, 21706 + ... + 22185.

Almost surely, 2^10533840 is an apocalyptic number.

10533840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10533840 is an abundant number, since it is smaller than the sum of its proper divisors (22121808).

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

10533840 is a wasteful number, since it uses less digits than its factorization.

10533840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43907 (or 43901 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10533840 is about 3245.5877741944. The cubic root of 10533840 is about 219.2109474704.

The spelling of 10533840 in words is "ten million, five hundred thirty-three thousand, eight hundred forty".