1956223226880 has 264 divisors, whose sum is σ = 7299669583752. Its totient is φ = 481531723776.

The previous prime is 1956223226843. The next prime is 1956223226921. The reversal of 1956223226880 is 886223226591.

1956223226880 is a `hidden beast` number, since 1 + 9 + 5 + 622 + 3 + 2 + 2 + 6 + 8 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 228744105984 + 1727479120896 = 478272^2 + 1314336^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1033759 + ... + 2231838.

Almost surely, 2^{1956223226880} is an apocalyptic number.

1956223226880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1956223226880 is an abundant number, since it is smaller than the sum of its proper divisors (5343446356872).

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

1956223226880 is a wasteful number, since it uses less digits than its factorization.

1956223226880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265641 (or 3265620 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 1956223226880 in words is "one trillion, nine hundred fifty-six billion, two hundred twenty-three million, two hundred twenty-six thousand, eight hundred eighty".