448451737782 has 16 divisors (see below), whose sum is σ = 896964537792. Its totient is φ = 149473735560.

The previous prime is 448451737781. The next prime is 448451737787. The reversal of 448451737782 is 287737154844.

It is a happy number.

It is a super-2 number, since 2×448451737782² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448451737781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448508 + ... + 2625279.

It is an arithmetic number, because the mean of its divisors is an integer number (56060283612).

Almost surely, 2^448451737782 is an apocalyptic number.

448451737782 is an abundant number, since it is smaller than the sum of its proper divisors (448512800010).

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

448451737782 is a wasteful number, since it uses less digits than its factorization.

448451737782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088523.

The product of its digits is 42147840, while the sum is 60.

The spelling of 448451737782 in words is "four hundred forty-eight billion, four hundred fifty-one million, seven hundred thirty-seven thousand, seven hundred eighty-two".