449763560 has 32 divisors (see below), whose sum is σ = 1071497160. Its totient is φ = 169322496.

The previous prime is 449763541. The next prime is 449763583. The reversal of 449763560 is 65367944.

It can be written as a sum of positive squares in 4 ways, for example, as 291658084 + 158105476 = 17078^2 + 12574^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 330029 + ... + 331388.

Almost surely, 2^449763560 is an apocalyptic number.

449763560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449763560 is an abundant number, since it is smaller than the sum of its proper divisors (621733600).

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

449763560 is a wasteful number, since it uses less digits than its factorization.

449763560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661445 (or 661441 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 449763560 is about 21207.6297591221. The cubic root of 449763560 is about 766.1751968791.

The spelling of 449763560 in words is "four hundred forty-nine million, seven hundred sixty-three thousand, five hundred sixty".