28131801482 has 8 divisors (see below), whose sum is σ = 42200085252. Its totient is φ = 14065106400.

The previous prime is 28131801427. The next prime is 28131801521. The reversal of 28131801482 is 28410813182.

It can be written as a sum of positive squares in 2 ways, for example, as 27446880241 + 684921241 = 165671^2 + 26171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351869 + ... + 424352.

Almost surely, 2^28131801482 is an apocalyptic number.

28131801482 is a deficient number, since it is larger than the sum of its proper divisors (14068283770).

28131801482 is a wasteful number, since it uses less digits than its factorization.

28131801482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794344.

The product of its (nonzero) digits is 24576, while the sum is 38.

The spelling of 28131801482 in words is "twenty-eight billion, one hundred thirty-one million, eight hundred one thousand, four hundred eighty-two".