424045449 has 28 divisors (see below), whose sum is σ = 646618800. Its totient is φ = 277877304.

The previous prime is 424045417. The next prime is 424045459. The reversal of 424045449 is 944540424.

It is a happy number.

It is not a de Polignac number, because 424045449 - 2⁵ = 424045417 is a prime.

It is a super-2 number, since 2×424045449² = 359629085635223202, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424045459) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 38082 + ... + 47940.

Almost surely, 2^424045449 is an apocalyptic number.

It is an amenable number.

424045449 is a deficient number, since it is larger than the sum of its proper divisors (222573351).

424045449 is an frugal number, since it uses more digits than its factorization.

424045449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936 (or 9921 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 424045449 is about 20592.3638516806. The cubic root of 424045449 is about 751.2839925630.

The spelling of 424045449 in words is "four hundred twenty-four million, forty-five thousand, four hundred forty-nine".