2144072460 has 24 divisors (see below), whose sum is σ = 6003403056. Its totient is φ = 571752640.

The previous prime is 2144072459. The next prime is 2144072467. The reversal of 2144072460 is 642704412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2144072467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17867211 + ... + 17867330.

It is an arithmetic number, because the mean of its divisors is an integer number (250141794).

Almost surely, 2^2144072460 is an apocalyptic number.

2144072460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144072460 is an abundant number, since it is smaller than the sum of its proper divisors (3859330596).

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

2144072460 is a wasteful number, since it uses less digits than its factorization.

2144072460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35734553 (or 35734551 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 2144072460 is about 46304.1300533764. The cubic root of 2144072460 is about 1289.4756717752.

Adding to 2144072460 its reverse (642704412), we get a palindrome (2786776872).

The spelling of 2144072460 in words is "two billion, one hundred forty-four million, seventy-two thousand, four hundred sixty".