226649985440 has 48 divisors (see below), whose sum is σ = 536351767560. Its totient is φ = 90509107200.

The previous prime is 226649985437. The next prime is 226649985451. The reversal of 226649985440 is 44589946622.

It is a happy number.

226649985440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 224475068944 + 2174916496 = 473788^2 + 46636^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 226649985440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082345 + ... + 1274664.

Almost surely, 2^226649985440 is an apocalyptic number.

226649985440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226649985440 is an abundant number, since it is smaller than the sum of its proper divisors (309701782120).

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

226649985440 is a wasteful number, since it uses less digits than its factorization.

226649985440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357625 (or 2357617 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 59.

The spelling of 226649985440 in words is "two hundred twenty-six billion, six hundred forty-nine million, nine hundred eighty-five thousand, four hundred forty".