1099423460 has 24 divisors (see below), whose sum is σ = 2409172416. Its totient is φ = 420648800.

The previous prime is 1099423447. The next prime is 1099423471. The reversal of 1099423460 is 643249901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194566 + ... + 1195485.

It is an arithmetic number, because the mean of its divisors is an integer number (100382184).

Almost surely, 2^1099423460 is an apocalyptic number.

1099423460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1099423460 is an abundant number, since it is smaller than the sum of its proper divisors (1309748956).

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

1099423460 is a wasteful number, since it uses less digits than its factorization.

1099423460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390083 (or 2390081 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1099423460 is about 33157.5550968403. Note that the first 3 decimals coincide. The cubic root of 1099423460 is about 1032.0997352181.

The spelling of 1099423460 in words is "one billion, ninety-nine million, four hundred twenty-three thousand, four hundred sixty".