226656499361640 has 32 divisors (see below), whose sum is σ = 679969498085280. Its totient is φ = 60441733163072.

The previous prime is 226656499361597. The next prime is 226656499361711. The reversal of 226656499361640 is 46163994656622.

It is a super-2 number, since 2×226656499361640² (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

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, 944402080554 + ... + 944402080793.

It is an arithmetic number, because the mean of its divisors is an integer number (21249046815165).

Almost surely, 2^{226656499361640} is an apocalyptic number.

226656499361640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226656499361640 is an abundant number, since it is smaller than the sum of its proper divisors (453312998723640).

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

226656499361640 is a wasteful number, since it uses less digits than its factorization.

226656499361640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888804161361 (or 1888804161357 counting only the distinct ones).

The product of its (nonzero) digits is 604661760, while the sum is 69.

The spelling of 226656499361640 in words is "two hundred twenty-six trillion, six hundred fifty-six billion, four hundred ninety-nine million, three hundred sixty-one thousand, six hundred forty".