449241431280 has 80 divisors (see below), whose sum is σ = 1426615503264. Its totient is φ = 116875816960.

The previous prime is 449241431209. The next prime is 449241431281. The reversal of 449241431280 is 82134142944.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449241431281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22817469 + ... + 22837148.

Almost surely, 2^449241431280 is an apocalyptic number.

449241431280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449241431280 is an abundant number, since it is smaller than the sum of its proper divisors (977374071984).

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

449241431280 is a wasteful number, since it uses less digits than its factorization.

449241431280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45654674 (or 45654668 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 449241431280 in words is "four hundred forty-nine billion, two hundred forty-one million, four hundred thirty-one thousand, two hundred eighty".