445004120 has 48 divisors (see below), whose sum is σ = 1100569680. Its totient is φ = 161817920.

The previous prime is 445004117. The next prime is 445004123. The reversal of 445004120 is 21400544.

It is an interprime number because it is at equal distance from previous prime (445004117) and next prime (445004123).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 445004092 and 445004101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445004123) 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 11 ways as a sum of consecutive naturals, for example, 41132 + ... + 50811.

It is an arithmetic number, because the mean of its divisors is an integer number (22928535).

Almost surely, 2^445004120 is an apocalyptic number.

445004120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445004120 is an abundant number, since it is smaller than the sum of its proper divisors (655565560).

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

445004120 is a wasteful number, since it uses less digits than its factorization.

445004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91976 (or 91961 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 445004120 is about 21095.1207628684. The cubic root of 445004120 is about 763.4630282903.

Adding to 445004120 its reverse (21400544), we get a palindrome (466404664).

The spelling of 445004120 in words is "four hundred forty-five million, four thousand, one hundred twenty".