449442771720 has 32 divisors (see below), whose sum is σ = 1348328315520. Its totient is φ = 119851405760.

The previous prime is 449442771611. The next prime is 449442771731. The reversal of 449442771720 is 27177244944.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 1872678096 + ... + 1872678335.

It is an arithmetic number, because the mean of its divisors is an integer number (42135259860).

Almost surely, 2^449442771720 is an apocalyptic number.

449442771720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449442771720 is an abundant number, since it is smaller than the sum of its proper divisors (898885543800).

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

449442771720 is a wasteful number, since it uses less digits than its factorization.

449442771720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745356445 (or 3745356441 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 449442771720 in words is "four hundred forty-nine billion, four hundred forty-two million, seven hundred seventy-one thousand, seven hundred twenty".