445041265465840 has 40 divisors (see below), whose sum is σ = 1035011839957920. Its totient is φ = 177966459261696.

The previous prime is 445041265465751. The next prime is 445041265465861. The reversal of 445041265465840 is 48564562140544.

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

It is a congruent number.

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, 781696860 + ... + 782265979.

It is an arithmetic number, because the mean of its divisors is an integer number (25875295998948).

Almost surely, 2^{445041265465840} is an apocalyptic number.

445041265465840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445041265465840 is an abundant number, since it is smaller than the sum of its proper divisors (589970574492080).

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

445041265465840 is a wasteful number, since it uses less digits than its factorization.

445041265465840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563966409 (or 1563966403 counting only the distinct ones).

The product of its (nonzero) digits is 73728000, while the sum is 58.

The spelling of 445041265465840 in words is "four hundred forty-five trillion, forty-one billion, two hundred sixty-five million, four hundred sixty-five thousand, eight hundred forty".