10529840 has 40 divisors (see below), whose sum is σ = 25059408. Its totient is φ = 4112640.

The previous prime is 10529839. The next prime is 10529843. The reversal of 10529840 is 4892501.

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

It is a super-2 number, since 2×10529840² = 221755060851200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10529843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910 + ... + 4970.

Almost surely, 2^10529840 is an apocalyptic number.

10529840 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 10529840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12529704).

10529840 is an abundant number, since it is smaller than the sum of its proper divisors (14529568).

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

10529840 is a wasteful number, since it uses less digits than its factorization.

10529840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3111 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 10529840 is about 3244.9714944819. The cubic root of 10529840 is about 219.1831970710.

The spelling of 10529840 in words is "ten million, five hundred twenty-nine thousand, eight hundred forty".