286395849972 has 144 divisors (see below), whose sum is σ = 782606784960. Its totient is φ = 88016108544.

The previous prime is 286395849937. The next prime is 286395849979. The reversal of 286395849972 is 279948593682.

286395849972 is a `hidden beast` number, since 2 + 8 + 6 + 39 + 584 + 9 + 9 + 7 + 2 = 666.

286395849972 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 286395849972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286395849979) 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, 8129548 + ... + 8164700.

It is an arithmetic number, because the mean of its divisors is an integer number (5434769340).

Almost surely, 2^286395849972 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 286395849972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391303392480).

286395849972 is an abundant number, since it is smaller than the sum of its proper divisors (496210934988).

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

286395849972 is a wasteful number, since it uses less digits than its factorization.

286395849972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35502 (or 35497 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 286395849972 in words is "two hundred eighty-six billion, three hundred ninety-five million, eight hundred forty-nine thousand, nine hundred seventy-two".