28136022835600 has 135 divisors (see below), whose sum is σ = 71811578868681. Its totient is φ = 10591706112000.

The previous prime is 28136022835597. The next prime is 28136022835619. The reversal of 28136022835600 is 653822063182.

The square root of 28136022835600 is 5304340.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 213506836624 + 27922515998976 = 462068^2 + 5284176^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1803467800 + ... + 1803483400.

Almost surely, 2^{28136022835600} is an apocalyptic number.

28136022835600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

28136022835600 is the 5304340-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28136022835600

28136022835600 is an abundant number, since it is smaller than the sum of its proper divisors (43675556033081).

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

28136022835600 is an frugal number, since it uses more digits than its factorization.

28136022835600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31254 (or 15625 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

Adding to 28136022835600 its reverse (653822063182), we get a palindrome (28789844898782).

The spelling of 28136022835600 in words is "twenty-eight trillion, one hundred thirty-six billion, twenty-two million, eight hundred thirty-five thousand, six hundred".