445502500 has 120 divisors (see below), whose sum is σ = 1047039840. Its totient is φ = 165312000.

The previous prime is 445502461. The next prime is 445502503. The reversal of 445502500 is 5205544.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (445502503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3942444 + ... + 3942556.

It is an arithmetic number, because the mean of its divisors is an integer number (8725332).

Almost surely, 2^445502500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445502500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523519920).

445502500 is an abundant number, since it is smaller than the sum of its proper divisors (601537340).

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

445502500 is a wasteful number, since it uses less digits than its factorization.

445502500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 445502500 is about 21106.9301415436. The cubic root of 445502500 is about 763.7479340779.

The spelling of 445502500 in words is "four hundred forty-five million, five hundred two thousand, five hundred".