464445449 has 4 divisors (see below), whose sum is σ = 500172036. Its totient is φ = 428718864.

The previous prime is 464445439. The next prime is 464445461. The reversal of 464445449 is 944544464.

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 94575625 + 369869824 = 9725^2 + 19232^2 .

It is a cyclic number.

It is not a de Polignac number, because 464445449 - 2⁴ = 464445433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (464445419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17863274 + ... + 17863299.

It is an arithmetic number, because the mean of its divisors is an integer number (125043009).

Almost surely, 2^464445449 is an apocalyptic number.

It is an amenable number.

464445449 is a deficient number, since it is larger than the sum of its proper divisors (35726587).

464445449 is a wasteful number, since it uses less digits than its factorization.

464445449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35726586.

The product of its digits is 1105920, while the sum is 44.

The square root of 464445449 is about 21550.9964734812. The cubic root of 464445449 is about 774.4229899995.

The spelling of 464445449 in words is "four hundred sixty-four million, four hundred forty-five thousand, four hundred forty-nine".