10857998460 has 96 divisors (see below), whose sum is σ = 31545783360. Its totient is φ = 2787176448.

The previous prime is 10857998453. The next prime is 10857998461. The reversal of 10857998460 is 6489975801.

It is a super-2 number, since 2×10857998460² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10857998460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10857998461) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 577122 + ... + 595638.

It is an arithmetic number, because the mean of its divisors is an integer number (328601910).

Almost surely, 2^10857998460 is an apocalyptic number.

10857998460 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 10857998460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15772891680).

10857998460 is an abundant number, since it is smaller than the sum of its proper divisors (20687784900).

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

10857998460 is a wasteful number, since it uses less digits than its factorization.

10857998460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18895 (or 18893 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 10857998460 in words is "ten billion, eight hundred fifty-seven million, nine hundred ninety-eight thousand, four hundred sixty".