449378248938 has 8 divisors (see below), whose sum is σ = 898756497888. Its totient is φ = 149792749644.

The previous prime is 449378248883. The next prime is 449378248939. The reversal of 449378248938 is 839842873944.

It is a sphenic number, since it is the product of 3 distinct primes.

449378248938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (449378248939) 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, 37448187406 + ... + 37448187417.

It is an arithmetic number, because the mean of its divisors is an integer number (112344562236).

Almost surely, 2^449378248938 is an apocalyptic number.

449378248938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

449378248938 is a wasteful number, since it uses less digits than its factorization.

449378248938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74896374828.

The product of its digits is 334430208, while the sum is 69.

The spelling of 449378248938 in words is "four hundred forty-nine billion, three hundred seventy-eight million, two hundred forty-eight thousand, nine hundred thirty-eight".