449644077 has 12 divisors (see below), whose sum is σ = 664590784. Its totient is φ = 292791240.

The previous prime is 449644073. The next prime is 449644079. The reversal of 449644077 is 770446944.

It is not a de Polignac number, because 449644077 - 2² = 449644073 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 (449644073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 580549 + ... + 581322.

Almost surely, 2^449644077 is an apocalyptic number.

It is an amenable number.

449644077 is a deficient number, since it is larger than the sum of its proper divisors (214946707).

449644077 is a wasteful number, since it uses less digits than its factorization.

449644077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161920 (or 1161917 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 449644077 is about 21204.8125905418. The cubic root of 449644077 is about 766.1073441768.

The spelling of 449644077 in words is "four hundred forty-nine million, six hundred forty-four thousand, seventy-seven".