1043881660 has 48 divisors (see below), whose sum is σ = 2324246400. Its totient is φ = 392710464.

The previous prime is 1043881613. The next prime is 1043881721. The reversal of 1043881660 is 661883401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42939 + ... + 62701.

It is an arithmetic number, because the mean of its divisors is an integer number (48421800).

Almost surely, 2^1043881660 is an apocalyptic number.

1043881660 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 1043881660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162123200).

1043881660 is an abundant number, since it is smaller than the sum of its proper divisors (1280364740).

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

1043881660 is a wasteful number, since it uses less digits than its factorization.

1043881660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930 (or 19928 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1043881660 is about 32309.1575253828. The cubic root of 1043881660 is about 1014.4183325521.

The spelling of 1043881660 in words is "one billion, forty-three million, eight hundred eighty-one thousand, six hundred sixty".