445284480 has 64 divisors (see below), whose sum is σ = 1419350400. Its totient is φ = 118742016.

The previous prime is 445284449. The next prime is 445284481. The reversal of 445284480 is 84482544.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (445284481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114040 + ... + 117879.

It is an arithmetic number, because the mean of its divisors is an integer number (22177350).

Almost surely, 2^445284480 is an apocalyptic number.

445284480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445284480 is an abundant number, since it is smaller than the sum of its proper divisors (974065920).

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

445284480 is a wasteful number, since it uses less digits than its factorization.

445284480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231941 (or 231929 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 39.

The square root of 445284480 is about 21101.7648551016. The cubic root of 445284480 is about 763.6233261019.

The spelling of 445284480 in words is "four hundred forty-five million, two hundred eighty-four thousand, four hundred eighty".