1144660416 has 112 divisors (see below), whose sum is σ = 3164311680. Its totient is φ = 364815360.

The previous prime is 1144660411. The next prime is 1144660459. The reversal of 1144660416 is 6140664411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144660411) 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, 417771 + ... + 420501.

Almost surely, 2^1144660416 is an apocalyptic number.

1144660416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144660416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582155840).

1144660416 is an abundant number, since it is smaller than the sum of its proper divisors (2019651264).

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

1144660416 is a wasteful number, since it uses less digits than its factorization.

1144660416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1144660416 is about 33832.8304461805. The cubic root of 1144660416 is about 1046.0655221591.

The spelling of 1144660416 in words is "one billion, one hundred forty-four million, six hundred sixty thousand, four hundred sixteen".