10509840572 has 48 divisors (see below), whose sum is σ = 24279429888. Its totient is φ = 3853873920.

The previous prime is 10509840511. The next prime is 10509840617. The reversal of 10509840572 is 27504890501.

It is a super-2 number, since 2×10509840572² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998378 + ... + 1008849.

It is an arithmetic number, because the mean of its divisors is an integer number (505821456).

Almost surely, 2^10509840572 is an apocalyptic number.

It is an amenable number.

10509840572 is an abundant number, since it is smaller than the sum of its proper divisors (13769589316).

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

10509840572 is a wasteful number, since it uses less digits than its factorization.

10509840572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007266 (or 2007264 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 10509840572 in words is "ten billion, five hundred nine million, eight hundred forty thousand, five hundred seventy-two".