11002002444 has 24 divisors (see below), whose sum is σ = 28523710320. Its totient is φ = 3667334112.

The previous prime is 11002002433. The next prime is 11002002449. The reversal of 11002002444 is 44420020011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11002002449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50935089 + ... + 50935304.

It is an arithmetic number, because the mean of its divisors is an integer number (1188487930).

Almost surely, 2^11002002444 is an apocalyptic number.

It is an amenable number.

11002002444 is an abundant number, since it is smaller than the sum of its proper divisors (17521707876).

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

11002002444 is a wasteful number, since it uses less digits than its factorization.

11002002444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101870406 (or 101870398 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 11002002444 its reverse (44420020011), we get a palindrome (55422022455).

The spelling of 11002002444 in words is "eleven billion, two million, two thousand, four hundred forty-four".