2144356992 has 96 divisors (see below), whose sum is σ = 6205680000. Its totient is φ = 710724096.

The previous prime is 2144356979. The next prime is 2144356993. The reversal of 2144356992 is 2996534412.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (2144356993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201009 + ... + 211407.

It is an arithmetic number, because the mean of its divisors is an integer number (64642500).

Almost surely, 2^2144356992 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 2144356992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3102840000).

2144356992 is an abundant number, since it is smaller than the sum of its proper divisors (4061323008).

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

2144356992 is a wasteful number, since it uses less digits than its factorization.

2144356992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10598 (or 10583 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2144356992 is about 46307.2023771681. The cubic root of 2144356992 is about 1289.5327097827.

The spelling of 2144356992 in words is "two billion, one hundred forty-four million, three hundred fifty-six thousand, nine hundred ninety-two".