226511539940 has 24 divisors (see below), whose sum is σ = 543627696192. Its totient is φ = 77661099360.

The previous prime is 226511539889. The next prime is 226511539967. The reversal of 226511539940 is 49935115622.

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, 808969646 + ... + 808969925.

It is an arithmetic number, because the mean of its divisors is an integer number (22651154008).

Almost surely, 2^226511539940 is an apocalyptic number.

226511539940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226511539940 is an abundant number, since it is smaller than the sum of its proper divisors (317116156252).

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

226511539940 is a wasteful number, since it uses less digits than its factorization.

226511539940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617939587 (or 1617939585 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 226511539940 in words is "two hundred twenty-six billion, five hundred eleven million, five hundred thirty-nine thousand, nine hundred forty".