45664228216880 has 160 divisors (see below), whose sum is σ = 132138148867200. Its totient is φ = 14289593573376.

The previous prime is 45664228216823. The next prime is 45664228216903. The reversal of 45664228216880 is 8861282246654.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34591175 + ... + 35887014.

It is an arithmetic number, because the mean of its divisors is an integer number (825863430420).

Almost surely, 2^{45664228216880} is an apocalyptic number.

45664228216880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45664228216880 is an abundant number, since it is smaller than the sum of its proper divisors (86473920650320).

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

45664228216880 is a wasteful number, since it uses less digits than its factorization.

45664228216880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70478311 (or 70478305 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 62.

The spelling of 45664228216880 in words is "forty-five trillion, six hundred sixty-four billion, two hundred twenty-eight million, two hundred sixteen thousand, eight hundred eighty".