448779481055 has 4 divisors (see below), whose sum is σ = 538535377272. Its totient is φ = 359023584840.

The previous prime is 448779481037. The next prime is 448779481057. The reversal of 448779481055 is 550184977844.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 448779481055 - 2⁶ = 448779480991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448779481057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44877948101 + ... + 44877948110.

It is an arithmetic number, because the mean of its divisors is an integer number (134633844318).

Almost surely, 2^448779481055 is an apocalyptic number.

448779481055 is a deficient number, since it is larger than the sum of its proper divisors (89755896217).

448779481055 is an equidigital number, since it uses as much as digits as its factorization.

448779481055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89755896216.

The product of its (nonzero) digits is 45158400, while the sum is 62.

The spelling of 448779481055 in words is "four hundred forty-eight billion, seven hundred seventy-nine million, four hundred eighty-one thousand, fifty-five".