1039809680 has 120 divisors (see below), whose sum is σ = 2992076352. Its totient is φ = 329052672.

The previous prime is 1039809643. The next prime is 1039809731. The reversal of 1039809680 is 869089301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89147 + ... + 100133.

Almost surely, 2^1039809680 is an apocalyptic number.

1039809680 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 1039809680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496038176).

1039809680 is an abundant number, since it is smaller than the sum of its proper divisors (1952266672).

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

1039809680 is a wasteful number, since it uses less digits than its factorization.

1039809680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033 (or 11014 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1039809680 is about 32246.0800718475. The cubic root of 1039809680 is about 1013.0975973262.

The spelling of 1039809680 in words is "one billion, thirty-nine million, eight hundred nine thousand, six hundred eighty".