449242515 has 24 divisors (see below), whose sum is σ = 779416560. Its totient is φ = 239371584.

The previous prime is 449242501. The next prime is 449242559. The reversal of 449242515 is 515242944.

It is a happy number.

It is not a de Polignac number, because 449242515 - 2⁴ = 449242499 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 449242515.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51244 + ... + 59366.

It is an arithmetic number, because the mean of its divisors is an integer number (32475690).

Almost surely, 2^449242515 is an apocalyptic number.

449242515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

449242515 is a deficient number, since it is larger than the sum of its proper divisors (330174045).

449242515 is a wasteful number, since it uses less digits than its factorization.

449242515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363 (or 9360 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 449242515 is about 21195.3418231460. The cubic root of 449242515 is about 765.8792146855.

The spelling of 449242515 in words is "four hundred forty-nine million, two hundred forty-two thousand, five hundred fifteen".