2905448445 has 24 divisors (see below), whose sum is σ = 5037552000. Its totient is φ = 1549129056.

The previous prime is 2905448443. The next prime is 2905448453. The reversal of 2905448445 is 5448445092.

It is a happy number.

2905448445 is a `hidden beast` number, since 29 + 0 + 544 + 84 + 4 + 5 = 666.

It is not a de Polignac number, because 2905448445 - 2¹ = 2905448443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2905448445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905448443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203656 + ... + 217454.

It is an arithmetic number, because the mean of its divisors is an integer number (209898000).

Almost surely, 2^2905448445 is an apocalyptic number.

It is an amenable number.

2905448445 is a deficient number, since it is larger than the sum of its proper divisors (2132103555).

2905448445 is a wasteful number, since it uses less digits than its factorization.

2905448445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18489 (or 18486 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 2905448445 is about 53902.2118748387. The cubic root of 2905448445 is about 1426.9356594274.

The spelling of 2905448445 in words is "two billion, nine hundred five million, four hundred forty-eight thousand, four hundred forty-five".