28536485402 has 8 divisors (see below), whose sum is σ = 44280753300. Its totient is φ = 13776234304.

The previous prime is 28536485381. The next prime is 28536485429. The reversal of 28536485402 is 20458463582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26337719521 + 2198765881 = 162289^2 + 46891^2 .

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, 246004127 + ... + 246004242.

Almost surely, 2^28536485402 is an apocalyptic number.

28536485402 is a deficient number, since it is larger than the sum of its proper divisors (15744267898).

28536485402 is a wasteful number, since it uses less digits than its factorization.

28536485402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492008400.

The product of its (nonzero) digits is 1843200, while the sum is 47.

The spelling of 28536485402 in words is "twenty-eight billion, five hundred thirty-six million, four hundred eighty-five thousand, four hundred two".