10528199440 has 160 divisors (see below), whose sum is σ = 29079388800. Its totient is φ = 3501711360.

The previous prime is 10528199431. The next prime is 10528199441. The reversal of 10528199440 is 4499182501.

It is a super-2 number, since 2×10528199440² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10528199441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474024 + ... + 495736.

It is an arithmetic number, because the mean of its divisors is an integer number (181746180).

Almost surely, 2^10528199440 is an apocalyptic number.

10528199440 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 10528199440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14539694400).

10528199440 is an abundant number, since it is smaller than the sum of its proper divisors (18551189360).

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

10528199440 is a wasteful number, since it uses less digits than its factorization.

10528199440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21785 (or 21779 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 10528199440 in words is "ten billion, five hundred twenty-eight million, one hundred ninety-nine thousand, four hundred forty".