449715631506 has 16 divisors (see below), whose sum is σ = 899438476800. Its totient is φ = 149904008208.

The previous prime is 449715631483. The next prime is 449715631513. The reversal of 449715631506 is 605136517944.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846735 + ... + 1271373.

It is an arithmetic number, because the mean of its divisors is an integer number (56214904800).

Almost surely, 2^449715631506 is an apocalyptic number.

449715631506 is an abundant number, since it is smaller than the sum of its proper divisors (449722845294).

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

449715631506 is a wasteful number, since it uses less digits than its factorization.

449715631506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601153.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 449715631506 in words is "four hundred forty-nine billion, seven hundred fifteen million, six hundred thirty-one thousand, five hundred six".