444920323608 has 128 divisors (see below), whose sum is σ = 1317063628800. Its totient is φ = 138840311808.

The previous prime is 444920323541. The next prime is 444920323609. The reversal of 444920323608 is 806323029444.

444920323608 is a `hidden beast` number, since 4 + 4 + 4 + 9 + 2 + 0 + 32 + 3 + 608 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444920323609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719241 + ... + 1186232.

It is an arithmetic number, because the mean of its divisors is an integer number (10289559600).

Almost surely, 2^444920323608 is an apocalyptic number.

It is an amenable number.

444920323608 is an abundant number, since it is smaller than the sum of its proper divisors (872143305192).

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

444920323608 is a wasteful number, since it uses less digits than its factorization.

444920323608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905558 (or 1905548 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 444920323608 in words is "four hundred forty-four billion, nine hundred twenty million, three hundred twenty-three thousand, six hundred eight".