1449907648 has 84 divisors (see below), whose sum is σ = 3368395600. Its totient is φ = 618971136.

The previous prime is 1449907553. The next prime is 1449907663. The reversal of 1449907648 is 8467099441.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a junction number, because it is equal to n+sod(n) for n = 1449907595 and 1449907604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5641536 + ... + 5641792.

Almost surely, 2^1449907648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449907648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684197800).

1449907648 is an abundant number, since it is smaller than the sum of its proper divisors (1918487952).

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

1449907648 is an frugal number, since it uses more digits than its factorization.

1449907648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 1449907648 is about 38077.6528688416. The cubic root of 1449907648 is about 1131.8271658616.

The spelling of 1449907648 in words is "one billion, four hundred forty-nine million, nine hundred seven thousand, six hundred forty-eight".