28562731642 has 8 divisors (see below), whose sum is σ = 43152328800. Its totient is φ = 14178622044.

The previous prime is 28562731633. The next prime is 28562731661. The reversal of 28562731642 is 24613726582.

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

It is a junction number, because it is equal to n+sod(n) for n = 28562731592 and 28562731601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51371542 + ... + 51372097.

It is an arithmetic number, because the mean of its divisors is an integer number (5394041100).

Almost surely, 2^28562731642 is an apocalyptic number.

28562731642 is a deficient number, since it is larger than the sum of its proper divisors (14589597158).

28562731642 is a wasteful number, since it uses less digits than its factorization.

28562731642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102743780.

The product of its digits is 967680, while the sum is 46.

The spelling of 28562731642 in words is "twenty-eight billion, five hundred sixty-two million, seven hundred thirty-one thousand, six hundred forty-two".