28636654298120 has 512 divisors, whose sum is σ = 80568156211200. Its totient is φ = 9024369868800.

The previous prime is 28636654298053. The next prime is 28636654298141. The reversal of 28636654298120 is 2189245663682.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 805944755 + ... + 805980285.

It is an arithmetic number, because the mean of its divisors is an integer number (157359680100).

Almost surely, 2^{28636654298120} is an apocalyptic number.

28636654298120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28636654298120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40284078105600).

28636654298120 is an abundant number, since it is smaller than the sum of its proper divisors (51931501913080).

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

28636654298120 is a wasteful number, since it uses less digits than its factorization.

28636654298120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35749 (or 35745 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 28636654298120 in words is "twenty-eight trillion, six hundred thirty-six billion, six hundred fifty-four million, two hundred ninety-eight thousand, one hundred twenty".