449005374246 has 144 divisors (see below), whose sum is σ = 1126881194688. Its totient is φ = 118207065600.

The previous prime is 449005374227. The next prime is 449005374269. The reversal of 449005374246 is 642473500944.

It is a super-2 number, since 2×449005374246² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 449005374195 and 449005374204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3153861 + ... + 3293151.

It is an arithmetic number, because the mean of its divisors is an integer number (7825563852).

Almost surely, 2^449005374246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449005374246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563440597344).

449005374246 is an abundant number, since it is smaller than the sum of its proper divisors (677875820442).

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

449005374246 is a wasteful number, since it uses less digits than its factorization.

449005374246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139367 (or 139337 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 449005374246 in words is "four hundred forty-nine billion, five million, three hundred seventy-four thousand, two hundred forty-six".