36223251781860 has 864 divisors, whose sum is σ = 138849736177152. Its totient is φ = 7550319329280.

The previous prime is 36223251781837. The next prime is 36223251781889. The reversal of 36223251781860 is 6818715232263.

36223251781860 is a `hidden beast` number, since 3 + 6 + 22 + 32 + 517 + 8 + 18 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 36223251781797 and 36223251781806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 551755557 + ... + 551821203.

It is an arithmetic number, because the mean of its divisors is an integer number (160705713168).

Almost surely, 2^{36223251781860} is an apocalyptic number.

36223251781860 is a gapful number since it is divisible by the number (30) 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 36223251781860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69424868088576).

36223251781860 is an abundant number, since it is smaller than the sum of its proper divisors (102626484395292).

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

36223251781860 is a wasteful number, since it uses less digits than its factorization.

36223251781860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65813 (or 65795 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 36223251781860 in words is "thirty-six trillion, two hundred twenty-three billion, two hundred fifty-one million, seven hundred eighty-one thousand, eight hundred sixty".