28426632285 has 32 divisors (see below), whose sum is σ = 45957445632. Its totient is φ = 15003398720.

The previous prime is 28426632257. The next prime is 28426632287. The reversal of 28426632285 is 58223662482.

It is not a de Polignac number, because 28426632285 - 2¹¹ = 28426630237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28426632287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543640 + ... + 593630.

It is an arithmetic number, because the mean of its divisors is an integer number (1436170176).

Almost surely, 2^28426632285 is an apocalyptic number.

It is an amenable number.

28426632285 is a deficient number, since it is larger than the sum of its proper divisors (17530813347).

28426632285 is a wasteful number, since it uses less digits than its factorization.

28426632285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50393.

The product of its digits is 2211840, while the sum is 48.

The spelling of 28426632285 in words is "twenty-eight billion, four hundred twenty-six million, six hundred thirty-two thousand, two hundred eighty-five".