2144601264 has 160 divisors (see below), whose sum is σ = 6148606464. Its totient is φ = 639959040.

The previous prime is 2144601241. The next prime is 2144601271. The reversal of 2144601264 is 4621064412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6895669 + ... + 6895979.

Almost surely, 2^2144601264 is an apocalyptic number.

2144601264 is a gapful number since it is divisible by the number (24) 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 2144601264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3074303232).

2144601264 is an abundant number, since it is smaller than the sum of its proper divisors (4004005200).

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

2144601264 is a wasteful number, since it uses less digits than its factorization.

2144601264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2144601264 is about 46309.8398183367. The cubic root of 2144601264 is about 1289.5816731433.

Adding to 2144601264 its reverse (4621064412), we get a palindrome (6765665676).

The spelling of 2144601264 in words is "two billion, one hundred forty-four million, six hundred one thousand, two hundred sixty-four".