449473260 has 24 divisors (see below), whose sum is σ = 1258525296. Its totient is φ = 119859520.

The previous prime is 449473249. The next prime is 449473279. The reversal of 449473260 is 62374944.

It is a super-2 number, since 2×449473260² = 404052422910055200, which contains 22 as substring.

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, 3745551 + ... + 3745670.

It is an arithmetic number, because the mean of its divisors is an integer number (52438554).

Almost surely, 2^449473260 is an apocalyptic number.

It is an amenable number.

449473260 is an abundant number, since it is smaller than the sum of its proper divisors (809052036).

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

449473260 is a wasteful number, since it uses less digits than its factorization.

449473260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491233 (or 7491231 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 449473260 is about 21200.7844194501. The cubic root of 449473260 is about 766.0103187443.

The spelling of 449473260 in words is "four hundred forty-nine million, four hundred seventy-three thousand, two hundred sixty".