449831560 has 32 divisors (see below), whose sum is σ = 1071659160. Its totient is φ = 169348096.

The previous prime is 449831521. The next prime is 449831563. The reversal of 449831560 is 65138944.

It can be written as a sum of positive squares in 4 ways, for example, as 448338276 + 1493284 = 21174^2 + 1222^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (449831563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330079 + ... + 331438.

Almost surely, 2^449831560 is an apocalyptic number.

449831560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449831560 is an abundant number, since it is smaller than the sum of its proper divisors (621827600).

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

449831560 is a wasteful number, since it uses less digits than its factorization.

449831560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661545 (or 661541 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 449831560 is about 21209.2328951332. The cubic root of 449831560 is about 766.2138077497.

The spelling of 449831560 in words is "four hundred forty-nine million, eight hundred thirty-one thousand, five hundred sixty".