1449495760 has 40 divisors (see below), whose sum is σ = 3373451496. Its totient is φ = 579217920.

The previous prime is 1449495739. The next prime is 1449495779. The reversal of 1449495760 is 675949441.

It can be written as a sum of positive squares in 4 ways, for example, as 188677696 + 1260818064 = 13736^2 + 35508^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 76342 + ... + 93418.

Almost surely, 2^1449495760 is an apocalyptic number.

1449495760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449495760 is an abundant number, since it is smaller than the sum of its proper divisors (1923955736).

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

1449495760 is a wasteful number, since it uses less digits than its factorization.

1449495760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18151 (or 18145 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 1449495760 is about 38072.2439580333. The cubic root of 1449495760 is about 1131.7199796833.

The spelling of 1449495760 in words is "one billion, four hundred forty-nine million, four hundred ninety-five thousand, seven hundred sixty".