28365676236240 has 960 divisors, whose sum is σ = 105711077058048. Its totient is φ = 6271185715200.

The previous prime is 28365676236229. The next prime is 28365676236251. The reversal of 28365676236240 is 4263267656382.

It is an interprime number because it is at equal distance from previous prime (28365676236229) and next prime (28365676236251).

It is a super-2 number, since 2×28365676236240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11620513420 + ... + 11620515860.

Almost surely, 2^{28365676236240} is an apocalyptic number.

28365676236240 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 28365676236240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52855538529024).

28365676236240 is an abundant number, since it is smaller than the sum of its proper divisors (77345400821808).

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

28365676236240 is a wasteful number, since it uses less digits than its factorization.

28365676236240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 60.

The spelling of 28365676236240 in words is "twenty-eight trillion, three hundred sixty-five billion, six hundred seventy-six million, two hundred thirty-six thousand, two hundred forty".