448159721575386 has 128 divisors (see below), whose sum is σ = 964352246022144. Its totient is φ = 138353055160320.

The previous prime is 448159721575361. The next prime is 448159721575399. The reversal of 448159721575386 is 683575127951844.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 988409671 + ... + 988862981.

It is an arithmetic number, because the mean of its divisors is an integer number (7534001922048).

Almost surely, 2^{448159721575386} is an apocalyptic number.

448159721575386 is an abundant number, since it is smaller than the sum of its proper divisors (516192524446758).

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

448159721575386 is a wasteful number, since it uses less digits than its factorization.

448159721575386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454084.

The product of its digits is 2032128000, while the sum is 75.

The spelling of 448159721575386 in words is "four hundred forty-eight trillion, one hundred fifty-nine billion, seven hundred twenty-one million, five hundred seventy-five thousand, three hundred eighty-six".