286804628444 has 12 divisors (see below), whose sum is σ = 502106421768. Its totient is φ = 143345650800.

The previous prime is 286804628443. The next prime is 286804628477. The reversal of 286804628444 is 444826408682.

It is a super-2 number, since 2×286804628444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 286804628444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286804628443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14154467 + ... + 14174714.

It is an arithmetic number, because the mean of its divisors is an integer number (41842201814).

Almost surely, 2^286804628444 is an apocalyptic number.

It is an amenable number.

286804628444 is a deficient number, since it is larger than the sum of its proper divisors (215301793324).

286804628444 is a wasteful number, since it uses less digits than its factorization.

286804628444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28331716 (or 28331714 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 56.

The spelling of 286804628444 in words is "two hundred eighty-six billion, eight hundred four million, six hundred twenty-eight thousand, four hundred forty-four".