286446397356 has 450 divisors, whose sum is σ = 899774249220. Its totient is φ = 79436264544.

The previous prime is 286446397339. The next prime is 286446397381. The reversal of 286446397356 is 653793644682.

286446397356 is a `hidden beast` number, since 2 + 86 + 4 + 463 + 97 + 3 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 286446397293 and 286446397302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 149 ways as a sum of consecutive naturals, for example, 3625903725 + ... + 3625903803.

Almost surely, 2^286446397356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286446397356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449887124610).

286446397356 is an abundant number, since it is smaller than the sum of its proper divisors (613327851864).

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

286446397356 is an frugal number, since it uses more digits than its factorization.

286446397356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 150 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 63.

The spelling of 286446397356 in words is "two hundred eighty-six billion, four hundred forty-six million, three hundred ninety-seven thousand, three hundred fifty-six".