444052453 has 4 divisors (see below), whose sum is σ = 478210348. Its totient is φ = 409894560.

The previous prime is 444052423. The next prime is 444052481. The reversal of 444052453 is 354250444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77827684 + 366224769 = 8822^2 + 19137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444052453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444052423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17078928 + ... + 17078953.

It is an arithmetic number, because the mean of its divisors is an integer number (119552587).

Almost surely, 2^444052453 is an apocalyptic number.

It is an amenable number.

444052453 is a deficient number, since it is larger than the sum of its proper divisors (34157895).

444052453 is a wasteful number, since it uses less digits than its factorization.

444052453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34157894.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 444052453 is about 21072.5521235564. The cubic root of 444052453 is about 762.9184032817.

The spelling of 444052453 in words is "four hundred forty-four million, fifty-two thousand, four hundred fifty-three".