449309052 has 24 divisors (see below), whose sum is σ = 1164875600. Its totient is φ = 149769648.

The previous prime is 449309039. The next prime is 449309083. The reversal of 449309052 is 250903944.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 449308998 and 449309016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080027 + ... + 2080242.

Almost surely, 2^449309052 is an apocalyptic number.

It is an amenable number.

449309052 is an abundant number, since it is smaller than the sum of its proper divisors (715566548).

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

449309052 is a wasteful number, since it uses less digits than its factorization.

449309052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160282 (or 4160274 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 449309052 is about 21196.9113787835. The cubic root of 449309052 is about 765.9170241002.

The spelling of 449309052 in words is "four hundred forty-nine million, three hundred nine thousand, fifty-two".