226543440420 has 72 divisors (see below), whose sum is σ = 749652845760. Its totient is φ = 54919621440.

The previous prime is 226543440413. The next prime is 226543440439. The reversal of 226543440420 is 24044345622.

226543440420 is a `hidden beast` number, since 226 + 5 + 4 + 3 + 4 + 4 + 0 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 57205960 + ... + 57209919.

It is an arithmetic number, because the mean of its divisors is an integer number (10411845080).

Almost surely, 2^226543440420 is an apocalyptic number.

226543440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226543440420 is an abundant number, since it is smaller than the sum of its proper divisors (523109405340).

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

226543440420 is a wasteful number, since it uses less digits than its factorization.

226543440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114415905 (or 114415900 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 226543440420 in words is "two hundred twenty-six billion, five hundred forty-three million, four hundred forty thousand, four hundred twenty".