28055835642 has 32 divisors (see below), whose sum is σ = 58389788160. Its totient is φ = 8979631920.

The previous prime is 28055835629. The next prime is 28055835649. The reversal of 28055835642 is 24653855082.

It is a junction number, because it is equal to n+sod(n) for n = 28055835591 and 28055835600.

It is not an unprimeable number, because it can be changed into a prime (28055835649) 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, 906334 + ... + 936777.

It is an arithmetic number, because the mean of its divisors is an integer number (1824680880).

Almost surely, 2^28055835642 is an apocalyptic number.

28055835642 is an abundant number, since it is smaller than the sum of its proper divisors (30333952518).

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

28055835642 is a wasteful number, since it uses less digits than its factorization.

28055835642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843218.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 28055835642 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-five thousand, six hundred forty-two".