7227745481808 has 40 divisors (see below), whose sum is σ = 20746306476800. Its totient is φ = 2409248493792.

The previous prime is 7227745481773. The next prime is 7227745481813. The reversal of 7227745481808 is 8081845477227.

7227745481808 is a `hidden beast` number, since 7 + 2 + 2 + 7 + 7 + 4 + 548 + 1 + 80 + 8 = 666.

It is a congruent number.

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, 8365445728 + ... + 8365446591.

It is an arithmetic number, because the mean of its divisors is an integer number (518657661920).

Almost surely, 2^{7227745481808} is an apocalyptic number.

It is an amenable number.

7227745481808 is an abundant number, since it is smaller than the sum of its proper divisors (13518560994992).

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

7227745481808 is a wasteful number, since it uses less digits than its factorization.

7227745481808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16730892336 (or 16730892324 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 63.

The spelling of 7227745481808 in words is "seven trillion, two hundred twenty-seven billion, seven hundred forty-five million, four hundred eighty-one thousand, eight hundred eight".