445544412 has 24 divisors (see below), whose sum is σ = 1043924112. Its totient is φ = 147897600.

The previous prime is 445544401. The next prime is 445544453. The reversal of 445544412 is 214445544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74139 + ... + 79922.

It is an arithmetic number, because the mean of its divisors is an integer number (43496838).

Almost surely, 2^445544412 is an apocalyptic number.

It is an amenable number.

445544412 is an abundant number, since it is smaller than the sum of its proper divisors (598379700).

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

445544412 is a wasteful number, since it uses less digits than its factorization.

445544412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154309 (or 154307 counting only the distinct ones).

The product of its digits is 51200, while the sum is 33.

The square root of 445544412 is about 21107.9229674547. The cubic root of 445544412 is about 763.7718839620.

Adding to 445544412 its reverse (214445544), we get a palindrome (659989956).

The spelling of 445544412 in words is "four hundred forty-five million, five hundred forty-four thousand, four hundred twelve".