449132090 has 32 divisors (see below), whose sum is σ = 892575936. Its totient is φ = 161349760.

The previous prime is 449132087. The next prime is 449132093. The reversal of 449132090 is 90231944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (449132087) and next prime (449132093).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (449132093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15467 + ... + 33726.

It is an arithmetic number, because the mean of its divisors is an integer number (27892998).

Almost surely, 2^449132090 is an apocalyptic number.

449132090 is a deficient number, since it is larger than the sum of its proper divisors (443443846).

449132090 is a wasteful number, since it uses less digits than its factorization.

449132090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49294.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 449132090 is about 21192.7367274734. The cubic root of 449132090 is about 765.8164578302.

The spelling of 449132090 in words is "four hundred forty-nine million, one hundred thirty-two thousand, ninety".