880666446640 has 40 divisors (see below), whose sum is σ = 2047618975248. Its totient is φ = 352254624000.

The previous prime is 880666446631. The next prime is 880666446679. The reversal of 880666446640 is 46644666088.

It is a happy number.

880666446640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2409414 + ... + 2750746.

Almost surely, 2^880666446640 is an apocalyptic number.

880666446640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

880666446640 is an abundant number, since it is smaller than the sum of its proper divisors (1166952528608).

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

880666446640 is a wasteful number, since it uses less digits than its factorization.

880666446640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373597 (or 373591 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 58.

The spelling of 880666446640 in words is "eight hundred eighty billion, six hundred sixty-six million, four hundred forty-six thousand, six hundred forty".