1144664010 has 144 divisors (see below), whose sum is σ = 3494182536. Its totient is φ = 259209216.

The previous prime is 1144663981. The next prime is 1144664021. The reversal of 1144664010 is 104664411.

1144664010 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 6 + 640 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 550230849 + 594433161 = 23457^2 + 24381^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 497182 + ... + 499478.

Almost surely, 2^1144664010 is an apocalyptic number.

1144664010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144664010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747091268).

1144664010 is an abundant number, since it is smaller than the sum of its proper divisors (2349518526).

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

1144664010 is a wasteful number, since it uses less digits than its factorization.

1144664010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1144664010 is about 33832.8835602288. The cubic root of 1144664010 is about 1046.0666169687.

The spelling of 1144664010 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, ten".