226304474051640 has 128 divisors (see below), whose sum is σ = 679700917900800. Its totient is φ = 60277888273920.

The previous prime is 226304474051627. The next prime is 226304474051659. The reversal of 226304474051640 is 46150474403622.

It is a self number, because there is not a number n which added to its sum of digits gives 226304474051640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520258479 + ... + 520693281.

It is an arithmetic number, because the mean of its divisors is an integer number (5310163421100).

Almost surely, 2^{226304474051640} is an apocalyptic number.

226304474051640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226304474051640 is an abundant number, since it is smaller than the sum of its proper divisors (453396443849160).

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

226304474051640 is a wasteful number, since it uses less digits than its factorization.

226304474051640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439837 (or 439833 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 48.

The spelling of 226304474051640 in words is "two hundred twenty-six trillion, three hundred four billion, four hundred seventy-four million, fifty-one thousand, six hundred forty".