1099738680 has 32 divisors (see below), whose sum is σ = 3299216400. Its totient is φ = 293263616.

The previous prime is 1099738643. The next prime is 1099738681. The reversal of 1099738680 is 868379901.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099738681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4582125 + ... + 4582364.

Almost surely, 2^1099738680 is an apocalyptic number.

1099738680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1099738680 is an abundant number, since it is smaller than the sum of its proper divisors (2199477720).

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

1099738680 is a wasteful number, since it uses less digits than its factorization.

1099738680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9164503 (or 9164499 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1099738680 is about 33162.3081223247. The cubic root of 1099738680 is about 1032.1983649097.

The spelling of 1099738680 in words is "one billion, ninety-nine million, seven hundred thirty-eight thousand, six hundred eighty".