445488018 has 32 divisors (see below), whose sum is σ = 899914752. Its totient is φ = 147014400.

The previous prime is 445488013. The next prime is 445488047. The reversal of 445488018 is 810884544.

It is not an unprimeable number, because it can be changed into a prime (445488013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275380 + ... + 276992.

It is an arithmetic number, because the mean of its divisors is an integer number (28122336).

Almost surely, 2^445488018 is an apocalyptic number.

445488018 is an abundant number, since it is smaller than the sum of its proper divisors (454426734).

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

445488018 is a wasteful number, since it uses less digits than its factorization.

445488018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050.

The product of its (nonzero) digits is 163840, while the sum is 42.

The square root of 445488018 is about 21106.5870760765. The cubic root of 445488018 is about 763.7396582415.

The spelling of 445488018 in words is "four hundred forty-five million, four hundred eighty-eight thousand, eighteen".