1449660760 has 64 divisors (see below), whose sum is σ = 3308104800. Its totient is φ = 571677696.

The previous prime is 1449660757. The next prime is 1449660769. The reversal of 1449660760 is 670669441.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449660769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015167 + ... + 1016593.

Almost surely, 2^1449660760 is an apocalyptic number.

1449660760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449660760 is an abundant number, since it is smaller than the sum of its proper divisors (1858444040).

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

1449660760 is a wasteful number, since it uses less digits than its factorization.

1449660760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1449660760 is about 38074.4108293221. The cubic root of 1449660760 is about 1131.7629202968.

The spelling of 1449660760 in words is "one billion, four hundred forty-nine million, six hundred sixty thousand, seven hundred sixty".