226650493440 has 1920 divisors, whose sum is σ = 1015806984192. Its totient is φ = 47297986560.

The previous prime is 226650493411. The next prime is 226650493469. The reversal of 226650493440 is 44394056622.

226650493440 is a `hidden beast` number, since 2 + 266 + 5 + 0 + 49 + 344 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (226650493411) and next prime (226650493469).

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3104801244 + ... + 3104801316.

Almost surely, 2^226650493440 is an apocalyptic number.

226650493440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226650493440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507903492096).

226650493440 is an abundant number, since it is smaller than the sum of its proper divisors (789156490752).

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

226650493440 is an equidigital number, since it uses as much as digits as its factorization.

226650493440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 226650493440 in words is "two hundred twenty-six billion, six hundred fifty million, four hundred ninety-three thousand, four hundred forty".