449378027165 has 8 divisors (see below), whose sum is σ = 539379917568. Its totient is φ = 359418231760.

The previous prime is 449378027123. The next prime is 449378027173. The reversal of 449378027165 is 561720873944.

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

It is not a de Polignac number, because 449378027165 - 2²⁴ = 449361249949 is a prime.

It is a super-2 number, since 2×449378027165² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449378027165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10500257 + ... + 10542966.

It is an arithmetic number, because the mean of its divisors is an integer number (67422489696).

It is a 1-persistent number, because it is pandigital, but 2⋅449378027165 = 898756054330 is not.

Almost surely, 2^449378027165 is an apocalyptic number.

It is an amenable number.

449378027165 is a deficient number, since it is larger than the sum of its proper divisors (90001890403).

449378027165 is a wasteful number, since it uses less digits than its factorization.

449378027165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21047499.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 449378027165 in words is "four hundred forty-nine billion, three hundred seventy-eight million, twenty-seven thousand, one hundred sixty-five".