449394949494 has 48 divisors (see below), whose sum is σ = 1009269216384. Its totient is φ = 144364550400.

The previous prime is 449394949483. The next prime is 449394949499. The reversal of 449394949494 is 494949493944.

449394949494 is a `hidden beast` number, since 4 + 4 + 9 + 3 + 9 + 49 + 494 + 94 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449394949499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1536409 + ... + 1805364.

It is an arithmetic number, because the mean of its divisors is an integer number (21026442008).

Almost surely, 2^449394949494 is an apocalyptic number.

449394949494 is an abundant number, since it is smaller than the sum of its proper divisors (559874266890).

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

449394949494 is a wasteful number, since it uses less digits than its factorization.

449394949494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342053 (or 3342050 counting only the distinct ones).

The product of its digits is 725594112, while the sum is 72.

The spelling of 449394949494 in words is "four hundred forty-nine billion, three hundred ninety-four million, nine hundred forty-nine thousand, four hundred ninety-four".