449786542 has 4 divisors (see below), whose sum is σ = 674679816. Its totient is φ = 224893270.

The previous prime is 449786539. The next prime is 449786573. The reversal of 449786542 is 245687944.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112446634 + ... + 112446637.

It is an arithmetic number, because the mean of its divisors is an integer number (168669954).

Almost surely, 2^449786542 is an apocalyptic number.

449786542 is a deficient number, since it is larger than the sum of its proper divisors (224893274).

449786542 is a wasteful number, since it uses less digits than its factorization.

449786542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224893273.

The product of its digits is 1935360, while the sum is 49.

The square root of 449786542 is about 21208.1715854998. The cubic root of 449786542 is about 766.1882466531.

The spelling of 449786542 in words is "four hundred forty-nine million, seven hundred eighty-six thousand, five hundred forty-two".