449280465738 has 32 divisors (see below), whose sum is σ = 1018611585600. Its totient is φ = 130964345856.

The previous prime is 449280465721. The next prime is 449280465761. The reversal of 449280465738 is 837564082944.

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, 151577623 + ... + 151580586.

It is an arithmetic number, because the mean of its divisors is an integer number (31831612050).

Almost surely, 2^449280465738 is an apocalyptic number.

449280465738 is an abundant number, since it is smaller than the sum of its proper divisors (569331119862).

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

449280465738 is a wasteful number, since it uses less digits than its factorization.

449280465738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303158246.

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 449280465738 in words is "four hundred forty-nine billion, two hundred eighty million, four hundred sixty-five thousand, seven hundred thirty-eight".