4255220186902 has 32 divisors (see below), whose sum is σ = 6550684729344. Its totient is φ = 2072436688800.

The previous prime is 4255220186881. The next prime is 4255220186929. The reversal of 4255220186902 is 2096810225524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4786903 + ... + 5605789.

It is an arithmetic number, because the mean of its divisors is an integer number (204708897792).

Almost surely, 2^{4255220186902} is an apocalyptic number.

4255220186902 is a deficient number, since it is larger than the sum of its proper divisors (2295464542442).

4255220186902 is a wasteful number, since it uses less digits than its factorization.

4255220186902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819364.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 4255220186902 in words is "four trillion, two hundred fifty-five billion, two hundred twenty million, one hundred eighty-six thousand, nine hundred two".