28860353265240 has 192 divisors, whose sum is σ = 107301427272000. Its totient is φ = 6590139595776.

The previous prime is 28860353265199. The next prime is 28860353265241. The reversal of 28860353265240 is 4256235306882.

28860353265240 is a `hidden beast` number, since 2 + 8 + 8 + 6 + 0 + 3 + 532 + 65 + 2 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28860353265241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3100015 + ... + 8205534.

It is an arithmetic number, because the mean of its divisors is an integer number (558861600375).

Almost surely, 2^{28860353265240} is an apocalyptic number.

28860353265240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28860353265240 is an abundant number, since it is smaller than the sum of its proper divisors (78441074006760).

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

28860353265240 is a wasteful number, since it uses less digits than its factorization.

28860353265240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306586 (or 11306579 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 28860353265240 in words is "twenty-eight trillion, eight hundred sixty billion, three hundred fifty-three million, two hundred sixty-five thousand, two hundred forty".