1099402672 has 20 divisors (see below), whose sum is σ = 2179631080. Its totient is φ = 536917248.

The previous prime is 1099402657. The next prime is 1099402679. The reversal of 1099402672 is 2762049901.

It is not an unprimeable number, because it can be changed into a prime (1099402679) 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 3 ways as a sum of consecutive naturals, for example, 798297 + ... + 799672.

It is an arithmetic number, because the mean of its divisors is an integer number (108981554).

Almost surely, 2^1099402672 is an apocalyptic number.

It is an amenable number.

1099402672 is a deficient number, since it is larger than the sum of its proper divisors (1080228408).

1099402672 is a wasteful number, since it uses less digits than its factorization.

1099402672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598020 (or 1598014 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1099402672 is about 33157.2416223063. The cubic root of 1099402672 is about 1032.0932301648.

The spelling of 1099402672 in words is "one billion, ninety-nine million, four hundred two thousand, six hundred seventy-two".