845466469680 has 80 divisors (see below), whose sum is σ = 2995366927104. Its totient is φ = 193249478400.

The previous prime is 845466469667. The next prime is 845466469717. The reversal of 845466469680 is 86964664548.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251625246 + ... + 251628605.

Almost surely, 2^845466469680 is an apocalyptic number.

845466469680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

845466469680 is an abundant number, since it is smaller than the sum of its proper divisors (2149900457424).

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

845466469680 is a wasteful number, since it uses less digits than its factorization.

845466469680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503253874 (or 503253868 counting only the distinct ones).

The product of its (nonzero) digits is 238878720, while the sum is 66.

The spelling of 845466469680 in words is "eight hundred forty-five billion, four hundred sixty-six million, four hundred sixty-nine thousand, six hundred eighty".