1144664360 has 32 divisors (see below), whose sum is σ = 2943423360. Its totient is φ = 392456256.

The previous prime is 1144664351. The next prime is 1144664377. The reversal of 1144664360 is 634664411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1144664360.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043764 + ... + 2044323.

It is an arithmetic number, because the mean of its divisors is an integer number (91981980).

Almost surely, 2^1144664360 is an apocalyptic number.

1144664360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144664360 is an abundant number, since it is smaller than the sum of its proper divisors (1798759000).

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

1144664360 is a wasteful number, since it uses less digits than its factorization.

1144664360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088105 (or 4088101 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1144664360 is about 33832.8887327110. Note that the first 3 decimals coincide. The cubic root of 1144664360 is about 1046.0667235860.

The spelling of 1144664360 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, three hundred sixty".