281232090852 has 48 divisors (see below), whose sum is σ = 664198675392. Its totient is φ = 92602823040.

The previous prime is 281232090817. The next prime is 281232090859. The reversal of 281232090852 is 258090232182.

It is not an unprimeable number, because it can be changed into a prime (281232090859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11618202 + ... + 11642382.

It is an arithmetic number, because the mean of its divisors is an integer number (13837472404).

Almost surely, 2^281232090852 is an apocalyptic number.

It is an amenable number.

281232090852 is an abundant number, since it is smaller than the sum of its proper divisors (382966584540).

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

281232090852 is a wasteful number, since it uses less digits than its factorization.

281232090852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35948 (or 35946 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 281232090852 in words is "two hundred eighty-one billion, two hundred thirty-two million, ninety thousand, eight hundred fifty-two".