1449071316 has 432 divisors, whose sum is σ = 5026506240. Its totient is φ = 359251200.

The previous prime is 1449071311. The next prime is 1449071317. The reversal of 1449071316 is 6131709441.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449071311) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19850256 + ... + 19850328.

Almost surely, 2^1449071316 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 1449071316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2513253120).

1449071316 is an abundant number, since it is smaller than the sum of its proper divisors (3577434924).

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

1449071316 is a wasteful number, since it uses less digits than its factorization.

1449071316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1449071316 is about 38066.6693578516. The cubic root of 1449071316 is about 1131.6095047945.

The spelling of 1449071316 in words is "one billion, four hundred forty-nine million, seventy-one thousand, three hundred sixteen".