2144430040 has 32 divisors (see below), whose sum is σ = 4892931360. Its totient is φ = 845689600.

The previous prime is 2144430019. The next prime is 2144430061. The reversal of 2144430040 is 400344412.

It is an interprime number because it is at equal distance from previous prime (2144430019) and next prime (2144430061).

It is a junction number, because it is equal to n+sod(n) for n = 2144429993 and 2144430020.

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, 374701 + ... + 380380.

It is an arithmetic number, because the mean of its divisors is an integer number (152904105).

Almost surely, 2^2144430040 is an apocalyptic number.

2144430040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144430040 is an abundant number, since it is smaller than the sum of its proper divisors (2748501320).

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

2144430040 is a wasteful number, since it uses less digits than its factorization.

2144430040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755163 (or 755159 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2144430040 is about 46307.9911030483. The cubic root of 2144430040 is about 1289.5473523564.

Adding to 2144430040 its reverse (400344412), we get a palindrome (2544774452).

The spelling of 2144430040 in words is "two billion, one hundred forty-four million, four hundred thirty thousand, forty".