226563430240640 has 32 divisors (see below), whose sum is σ = 541628200420560. Its totient is φ = 90625372096000.

The previous prime is 226563430240571. The next prime is 226563430240699. The reversal of 226563430240640 is 46042034365622.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177002679236 + ... + 177002680515.

Almost surely, 2^{226563430240640} is an apocalyptic number.

226563430240640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226563430240640 is an abundant number, since it is smaller than the sum of its proper divisors (315064770179920).

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

226563430240640 is an equidigital number, since it uses as much as digits as its factorization.

226563430240640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354005359770 (or 354005359758 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 47.

The spelling of 226563430240640 in words is "two hundred twenty-six trillion, five hundred sixty-three billion, four hundred thirty million, two hundred forty thousand, six hundred forty".