2144140044 has 96 divisors (see below), whose sum is σ = 5356108800. Its totient is φ = 665663040.

The previous prime is 2144140021. The next prime is 2144140067. The reversal of 2144140044 is 4400414412.

2144140044 = T₃₁₂ + T₃₁₃ + ... + T₂₃₄₄.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2144140021) and next prime (2144140067).

It is a junction number, because it is equal to n+sod(n) for n = 2144139996 and 2144140023.

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, 4366639 + ... + 4367129.

It is an arithmetic number, because the mean of its divisors is an integer number (55792800).

Almost surely, 2^2144140044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144140044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678054400).

2144140044 is an abundant number, since it is smaller than the sum of its proper divisors (3211968756).

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

2144140044 is a wasteful number, since it uses less digits than its factorization.

2144140044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2144140044 is about 46304.8598313395. The cubic root of 2144140044 is about 1289.4892202925.

Adding to 2144140044 its reverse (4400414412), we get a palindrome (6544554456).

The spelling of 2144140044 in words is "two billion, one hundred forty-four million, one hundred forty thousand, forty-four".