449772328960 has 96 divisors (see below), whose sum is σ = 1135990018800. Its totient is φ = 170439966720.

The previous prime is 449772328891. The next prime is 449772328963. The reversal of 449772328960 is 69823277944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449772328963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961311 + ... + 1350430.

Almost surely, 2^449772328960 is an apocalyptic number.

449772328960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449772328960 is an abundant number, since it is smaller than the sum of its proper divisors (686217689840).

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

449772328960 is a wasteful number, since it uses less digits than its factorization.

449772328960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311787 (or 2311767 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 449772328960 in words is "four hundred forty-nine billion, seven hundred seventy-two million, three hundred twenty-eight thousand, nine hundred sixty".