10831761640 has 128 divisors (see below), whose sum is σ = 28686240000. Its totient is φ = 3679167744.

The previous prime is 10831761631. The next prime is 10831761641. The reversal of 10831761640 is 4616713801.

It is a self number, because there is not a number n which added to its sum of digits gives 10831761640.

It is not an unprimeable number, because it can be changed into a prime (10831761641) 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, 1491859 + ... + 1499101.

It is an arithmetic number, because the mean of its divisors is an integer number (224111250).

Almost surely, 2^10831761640 is an apocalyptic number.

10831761640 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 10831761640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14343120000).

10831761640 is an abundant number, since it is smaller than the sum of its proper divisors (17854478360).

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

10831761640 is a wasteful number, since it uses less digits than its factorization.

10831761640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384 (or 7366 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 10831761640 in words is "ten billion, eight hundred thirty-one million, seven hundred sixty-one thousand, six hundred forty".