445670881488 has 400 divisors, whose sum is σ = 1552829977600. Its totient is φ = 123223161600.

The previous prime is 445670881463. The next prime is 445670881529. The reversal of 445670881488 is 884188076544.

445670881488 is a `hidden beast` number, since 4 + 4 + 5 + 6 + 70 + 8 + 81 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13764198 + ... + 13796538.

It is an arithmetic number, because the mean of its divisors is an integer number (3882074944).

Almost surely, 2^445670881488 is an apocalyptic number.

445670881488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445670881488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776414988800).

445670881488 is an abundant number, since it is smaller than the sum of its proper divisors (1107159096112).

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

445670881488 is a wasteful number, since it uses less digits than its factorization.

445670881488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32413 (or 32384 counting only the distinct ones).

The product of its (nonzero) digits is 55050240, while the sum is 63.

The spelling of 445670881488 in words is "four hundred forty-five billion, six hundred seventy million, eight hundred eighty-one thousand, four hundred eighty-eight".