361805859928 has 8 divisors (see below), whose sum is σ = 678385987380. Its totient is φ = 180902929960.

The previous prime is 361805859889. The next prime is 361805859959. The reversal of 361805859928 is 829958508163.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 361805859928.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 22612866238 + ... + 22612866253.

Almost surely, 2^361805859928 is an apocalyptic number.

It is an amenable number.

361805859928 is a deficient number, since it is larger than the sum of its proper divisors (316580127452).

361805859928 is a wasteful number, since it uses less digits than its factorization.

361805859928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45225732497 (or 45225732493 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 64.

The spelling of 361805859928 in words is "three hundred sixty-one billion, eight hundred five million, eight hundred fifty-nine thousand, nine hundred twenty-eight".