448933378194 has 96 divisors (see below), whose sum is σ = 1149524887680. Its totient is φ = 123968123136.

The previous prime is 448933378189. The next prime is 448933378253. The reversal of 448933378194 is 491873339844.

448933378194 is a `hidden beast` number, since 4 + 48 + 9 + 33 + 378 + 194 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54259 + ... + 949110.

It is an arithmetic number, because the mean of its divisors is an integer number (11974217580).

Almost surely, 2^448933378194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448933378194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574762443840).

448933378194 is an abundant number, since it is smaller than the sum of its proper divisors (700591509486).

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

448933378194 is a wasteful number, since it uses less digits than its factorization.

448933378194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003504 (or 1003501 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 448933378194 in words is "four hundred forty-eight billion, nine hundred thirty-three million, three hundred seventy-eight thousand, one hundred ninety-four".