28232675444 has 24 divisors (see below), whose sum is σ = 51642360000. Its totient is φ = 13479787904.

The previous prime is 28232675441. The next prime is 28232675501. The reversal of 28232675444 is 44457623282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28232675441) 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, 204194 + ... + 313305.

It is an arithmetic number, because the mean of its divisors is an integer number (2151765000).

Almost surely, 2^28232675444 is an apocalyptic number.

It is an amenable number.

28232675444 is a deficient number, since it is larger than the sum of its proper divisors (23409684556).

28232675444 is a wasteful number, since it uses less digits than its factorization.

28232675444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518119 (or 518117 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 47.

The spelling of 28232675444 in words is "twenty-eight billion, two hundred thirty-two million, six hundred seventy-five thousand, four hundred forty-four".