1449448620 has 48 divisors (see below), whose sum is σ = 4067413728. Its totient is φ = 385666560.

The previous prime is 1449448613. The next prime is 1449448657. The reversal of 1449448620 is 268449441.

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, 990 + ... + 53850.

It is an arithmetic number, because the mean of its divisors is an integer number (84737786).

Almost surely, 2^1449448620 is an apocalyptic number.

1449448620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449448620 is an abundant number, since it is smaller than the sum of its proper divisors (2617965108).

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

1449448620 is a wasteful number, since it uses less digits than its factorization.

1449448620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53330 (or 53328 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 1449448620 is about 38071.6248668217. The cubic root of 1449448620 is about 1131.7077110816.

The spelling of 1449448620 in words is "one billion, four hundred forty-nine million, four hundred forty-eight thousand, six hundred twenty".