448131982578 has 32 divisors (see below), whose sum is σ = 1043628126336. Its totient is φ = 125621902848.

The previous prime is 448131982549. The next prime is 448131982633. The reversal of 448131982578 is 875289131844.

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, 100656351 + ... + 100660802.

It is an arithmetic number, because the mean of its divisors is an integer number (32613378948).

Almost surely, 2^448131982578 is an apocalyptic number.

448131982578 is an abundant number, since it is smaller than the sum of its proper divisors (595496143758).

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

448131982578 is a wasteful number, since it uses less digits than its factorization.

448131982578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201317218.

The product of its digits is 15482880, while the sum is 60.

The spelling of 448131982578 in words is "four hundred forty-eight billion, one hundred thirty-one million, nine hundred eighty-two thousand, five hundred seventy-eight".