28201334452 has 24 divisors (see below), whose sum is σ = 49573847232. Its totient is φ = 14037494400.

The previous prime is 28201334431. The next prime is 28201334453. The reversal of 28201334452 is 25443310282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28201334453) 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, 994908 + ... + 1022860.

It is an arithmetic number, because the mean of its divisors is an integer number (2065576968).

Almost surely, 2^28201334452 is an apocalyptic number.

It is an amenable number.

28201334452 is a deficient number, since it is larger than the sum of its proper divisors (21372512780).

28201334452 is a wasteful number, since it uses less digits than its factorization.

28201334452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29079 (or 29077 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 28201334452 in words is "twenty-eight billion, two hundred one million, three hundred thirty-four thousand, four hundred fifty-two".