449196090 has 64 divisors (see below), whose sum is σ = 1234483200. Its totient is φ = 102473280.

The previous prime is 449196089. The next prime is 449196091. The reversal of 449196090 is 90691944.

It is an interprime number because it is at equal distance from previous prime (449196089) and next prime (449196091).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (449196091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124005 + ... + 127575.

It is an arithmetic number, because the mean of its divisors is an integer number (19288800).

Almost surely, 2^449196090 is an apocalyptic number.

449196090 is an abundant number, since it is smaller than the sum of its proper divisors (785287110).

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

449196090 is a wasteful number, since it uses less digits than its factorization.

449196090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 449196090 is about 21194.2466249688. The cubic root of 449196090 is about 765.8528316324.

The spelling of 449196090 in words is "four hundred forty-nine million, one hundred ninety-six thousand, ninety".