449545902 has 32 divisors (see below), whose sum is σ = 1010354688. Its totient is φ = 132307296.

The previous prime is 449545897. The next prime is 449545913. The reversal of 449545902 is 209545944.

It is a congruent 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, 123498 + ... + 127085.

It is an arithmetic number, because the mean of its divisors is an integer number (31573584).

Almost surely, 2^449545902 is an apocalyptic number.

449545902 is an abundant number, since it is smaller than the sum of its proper divisors (560808786).

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

449545902 is a wasteful number, since it uses less digits than its factorization.

449545902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250624.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 449545902 is about 21202.4975415634. The cubic root of 449545902 is about 766.0515829893.

Adding to 449545902 its sum of digits (42), we get a palindrome (449545944).

The spelling of 449545902 in words is "four hundred forty-nine million, five hundred forty-five thousand, nine hundred two".