418221688350 has 48 divisors (see below), whose sum is σ = 1039585306032. Its totient is φ = 111268200960.

The previous prime is 418221688343. The next prime is 418221688361. The reversal of 418221688350 is 53886122814.

It is a self number, because there is not a number n which added to its sum of digits gives 418221688350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3154617 + ... + 3284516.

It is an arithmetic number, because the mean of its divisors is an integer number (21658027209).

Almost surely, 2^418221688350 is an apocalyptic number.

418221688350 is an abundant number, since it is smaller than the sum of its proper divisors (621363617682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

418221688350 is a wasteful number, since it uses less digits than its factorization.

418221688350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439581 (or 6439576 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 418221688350 in words is "four hundred eighteen billion, two hundred twenty-one million, six hundred eighty-eight thousand, three hundred fifty".