449465812488 has 320 divisors, whose sum is σ = 1595304501120. Its totient is φ = 114829747200.

The previous prime is 449465812483. The next prime is 449465812493. The reversal of 449465812488 is 884218564944.

449465812488 is a `hidden beast` number, since 4 + 4 + 9 + 4 + 6 + 581 + 2 + 48 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (449465812483) and next prime (449465812493).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (449465812483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2969820 + ... + 3117492.

It is an arithmetic number, because the mean of its divisors is an integer number (4985326566).

Almost surely, 2^449465812488 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 449465812488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797652250560).

449465812488 is an abundant number, since it is smaller than the sum of its proper divisors (1145838688632).

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

449465812488 is a wasteful number, since it uses less digits than its factorization.

449465812488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147770 (or 147757 counting only the distinct ones).

The product of its digits is 70778880, while the sum is 63.

The spelling of 449465812488 in words is "four hundred forty-nine billion, four hundred sixty-five million, eight hundred twelve thousand, four hundred eighty-eight".