448713317844 has 48 divisors (see below), whose sum is σ = 1269088175040. Its totient is φ = 135973732320.

The previous prime is 448713317839. The next prime is 448713317861.

It is a happy number.

448713317844 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×448713317844² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188851219 + ... + 188853594.

It is an arithmetic number, because the mean of its divisors is an integer number (26439336980).

Almost surely, 2^448713317844 is an apocalyptic number.

448713317844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

448713317844 is an abundant number, since it is smaller than the sum of its proper divisors (820374857196).

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

448713317844 is a wasteful number, since it uses less digits than its factorization.

448713317844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377704837 (or 377704829 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

It can be divided in two parts, 4487 and 13317844, that added together give a palindrome (13322331).

The spelling of 448713317844 in words is "four hundred forty-eight billion, seven hundred thirteen million, three hundred seventeen thousand, eight hundred forty-four".