28232859642 has 32 divisors (see below), whose sum is σ = 61097467200. Its totient is φ = 8645857920.

The previous prime is 28232859631. The next prime is 28232859643. The reversal of 28232859642 is 24695823282.

It is not an unprimeable number, because it can be changed into a prime (28232859643) 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 15 ways as a sum of consecutive naturals, for example, 841267 + ... + 874182.

It is an arithmetic number, because the mean of its divisors is an integer number (1909295850).

Almost surely, 2^28232859642 is an apocalyptic number.

28232859642 is an abundant number, since it is smaller than the sum of its proper divisors (32864607558).

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

28232859642 is a wasteful number, since it uses less digits than its factorization.

28232859642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715678.

The product of its digits is 3317760, while the sum is 51.

The spelling of 28232859642 in words is "twenty-eight billion, two hundred thirty-two million, eight hundred fifty-nine thousand, six hundred forty-two".