449132695620 has 288 divisors, whose sum is σ = 1473796348416. Its totient is φ = 101896704000.

The previous prime is 449132695607. The next prime is 449132695643. The reversal of 449132695620 is 26596231944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 249378720 + ... + 249380520.

It is an arithmetic number, because the mean of its divisors is an integer number (5117348432).

Almost surely, 2^449132695620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449132695620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736898174208).

449132695620 is an abundant number, since it is smaller than the sum of its proper divisors (1024663652796).

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

449132695620 is a wasteful number, since it uses less digits than its factorization.

449132695620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2402 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 449132695620 in words is "four hundred forty-nine billion, one hundred thirty-two million, six hundred ninety-five thousand, six hundred twenty".