449593118053520 has 160 divisors (see below), whose sum is σ = 1207042371772416. Its totient is φ = 152551074816000.

The previous prime is 449593118053511. The next prime is 449593118053523. The reversal of 449593118053520 is 25350811395944.

It is a self number, because there is not a number n which added to its sum of digits gives 449593118053520.

It is not an unprimeable number, because it can be changed into a prime (449593118053523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20636810 + ... + 36401430.

Almost surely, 2^{449593118053520} is an apocalyptic number.

449593118053520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449593118053520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603521185886208).

449593118053520 is an abundant number, since it is smaller than the sum of its proper divisors (757449253718896).

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

449593118053520 is a wasteful number, since it uses less digits than its factorization.

449593118053520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15765169 (or 15765163 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 59.

The spelling of 449593118053520 in words is "four hundred forty-nine trillion, five hundred ninety-three billion, one hundred eighteen million, fifty-three thousand, five hundred twenty".