449968542 has 8 divisors (see below), whose sum is σ = 899937096. Its totient is φ = 149989512.

The previous prime is 449968531. The next prime is 449968549. The reversal of 449968542 is 245869944.

It is a sphenic number, since it is the product of 3 distinct primes.

449968542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449968549) 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, 37497373 + ... + 37497384.

It is an arithmetic number, because the mean of its divisors is an integer number (112492137).

Almost surely, 2^449968542 is an apocalyptic number.

449968542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449968542 is a wasteful number, since it uses less digits than its factorization.

449968542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74994762.

The product of its digits is 2488320, while the sum is 51.

The square root of 449968542 is about 21212.4619504668. The cubic root of 449968542 is about 766.2915752648.

The spelling of 449968542 in words is "four hundred forty-nine million, nine hundred sixty-eight thousand, five hundred forty-two".