449678622 has 32 divisors (see below), whose sum is σ = 935101440. Its totient is φ = 144005760.

The previous prime is 449678617. The next prime is 449678623. The reversal of 449678622 is 226876944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449678623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17158 + ... + 34550.

It is an arithmetic number, because the mean of its divisors is an integer number (29221920).

Almost surely, 2^449678622 is an apocalyptic number.

449678622 is an abundant number, since it is smaller than the sum of its proper divisors (485422818).

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

449678622 is a wasteful number, since it uses less digits than its factorization.

449678622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17568.

The product of its digits is 1161216, while the sum is 48.

The square root of 449678622 is about 21205.6271305519. The cubic root of 449678622 is about 766.1269630278.

The spelling of 449678622 in words is "four hundred forty-nine million, six hundred seventy-eight thousand, six hundred twenty-two".