449920677 has 8 divisors (see below), whose sum is σ = 600351616. Its totient is φ = 299718432.

The previous prime is 449920637. The next prime is 449920693. The reversal of 449920677 is 776029944.

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

It is not a de Polignac number, because 449920677 - 2¹⁶ = 449855141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449920637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52528 + ... + 60489.

It is an arithmetic number, because the mean of its divisors is an integer number (75043952).

Almost surely, 2^449920677 is an apocalyptic number.

It is an amenable number.

449920677 is a deficient number, since it is larger than the sum of its proper divisors (150430939).

449920677 is a wasteful number, since it uses less digits than its factorization.

449920677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114347.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 449920677 is about 21211.3336921562. Note that the first 3 decimals coincide. The cubic root of 449920677 is about 766.2644031083.

The spelling of 449920677 in words is "four hundred forty-nine million, nine hundred twenty thousand, six hundred seventy-seven".