445005120 has 112 divisors (see below), whose sum is σ = 1614757248. Its totient is φ = 101713920.

The previous prime is 445005109. The next prime is 445005131. The reversal of 445005120 is 21500544.

It is an interprime number because it is at equal distance from previous prime (445005109) and next prime (445005131).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26391 + ... + 39830.

Almost surely, 2^445005120 is an apocalyptic number.

445005120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445005120 is an abundant number, since it is smaller than the sum of its proper divisors (1169752128).

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

445005120 is a wasteful number, since it uses less digits than its factorization.

445005120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66248 (or 66238 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 445005120 is about 21095.1444650185. The cubic root of 445005120 is about 763.4636001669.

Adding to 445005120 its reverse (21500544), we get a palindrome (466505664).

The spelling of 445005120 in words is "four hundred forty-five million, five thousand, one hundred twenty".