285025121446 has 32 divisors (see below), whose sum is σ = 461362583808. Its totient is φ = 131282445600.

The previous prime is 285025121441. The next prime is 285025121483. The reversal of 285025121446 is 644121520582.

It is a junction number, because it is equal to n+sod(n) for n = 285025121399 and 285025121408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285025121441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61280221 + ... + 61284871.

It is an arithmetic number, because the mean of its divisors is an integer number (14417580744).

Almost surely, 2^285025121446 is an apocalyptic number.

285025121446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

285025121446 is a deficient number, since it is larger than the sum of its proper divisors (176337462362).

285025121446 is a wasteful number, since it uses less digits than its factorization.

285025121446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8956.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 285025121446 in words is "two hundred eighty-five billion, twenty-five million, one hundred twenty-one thousand, four hundred forty-six".