445503616818240 has 224 divisors, whose sum is σ = 1415075287720320. Its totient is φ = 118750474469376.

The previous prime is 445503616818199. The next prime is 445503616818307. The reversal of 445503616818240 is 42818616305544.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31004489776 + ... + 31004504144.

Almost surely, 2^{445503616818240} is an apocalyptic number.

445503616818240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445503616818240 is an abundant number, since it is smaller than the sum of its proper divisors (969571670902080).

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

445503616818240 is a wasteful number, since it uses less digits than its factorization.

445503616818240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25869 (or 25859 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 445503616818240 in words is "four hundred forty-five trillion, five hundred three billion, six hundred sixteen million, eight hundred eighteen thousand, two hundred forty".