2140144512 has 64 divisors (see below), whose sum is σ = 6201567360. Its totient is φ = 648527360.

The previous prime is 2140144481. The next prime is 2140144537. The reversal of 2140144512 is 2154410412.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249108 + ... + 257555.

It is an arithmetic number, because the mean of its divisors is an integer number (96899490).

Almost surely, 2^2140144512 is an apocalyptic number.

2140144512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2140144512 is an abundant number, since it is smaller than the sum of its proper divisors (4061422848).

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

2140144512 is a wasteful number, since it uses less digits than its factorization.

2140144512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506691 (or 506679 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2140144512 is about 46261.6959481600. The cubic root of 2140144512 is about 1288.6877491559.

Adding to 2140144512 its reverse (2154410412), we get a palindrome (4294554924).

The spelling of 2140144512 in words is "two billion, one hundred forty million, one hundred forty-four thousand, five hundred twelve".