448936871922 has 270 divisors, whose sum is σ = 1251553298541. Its totient is φ = 116209003680.

The previous prime is 448936871893. The next prime is 448936871987. The reversal of 448936871922 is 229178639844.

448936871922 is a `hidden beast` number, since 4 + 4 + 89 + 368 + 7 + 192 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 325813781601 + 123123090321 = 570801^2 + 350889^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=473781.

It is a super-2 number, since 2×448936871922² (a number of 24 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 448936871922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1532207608 + ... + 1532207900.

Almost surely, 2^448936871922 is an apocalyptic number.

448936871922 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 448936871922

448936871922 is an abundant number, since it is smaller than the sum of its proper divisors (802616426619).

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

448936871922 is an equidigital number, since it uses as much as digits as its factorization.

448936871922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 316 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 448936871922 in words is "four hundred forty-eight billion, nine hundred thirty-six million, eight hundred seventy-one thousand, nine hundred twenty-two".