284365226854990 has 32 divisors (see below), whose sum is σ = 516852259651584. Its totient is φ = 112636992661920.

The previous prime is 284365226854927. The next prime is 284365226854991. The reversal of 284365226854990 is 99458622563482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284365226854991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51685326 + ... + 56921905.

It is an arithmetic number, because the mean of its divisors is an integer number (16151633114112).

Almost surely, 2^{284365226854990} is an apocalyptic number.

284365226854990 is a deficient number, since it is larger than the sum of its proper divisors (232487032796594).

284365226854990 is a wasteful number, since it uses less digits than its factorization.

284365226854990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108609792.

The product of its (nonzero) digits is 1791590400, while the sum is 73.

The spelling of 284365226854990 in words is "two hundred eighty-four trillion, three hundred sixty-five billion, two hundred twenty-six million, eight hundred fifty-four thousand, nine hundred ninety".