449207490 has 32 divisors (see below), whose sum is σ = 1141516800. Its totient is φ = 112742144.

The previous prime is 449207483. The next prime is 449207501. The reversal of 449207490 is 94702944.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439890 + ... + 440909.

It is an arithmetic number, because the mean of its divisors is an integer number (35672400).

Almost surely, 2^449207490 is an apocalyptic number.

449207490 is an abundant number, since it is smaller than the sum of its proper divisors (692309310).

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

449207490 is a wasteful number, since it uses less digits than its factorization.

449207490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880826.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 449207490 is about 21194.5155641737. The cubic root of 449207490 is about 765.8593103534.

The spelling of 449207490 in words is "four hundred forty-nine million, two hundred seven thousand, four hundred ninety".