2140302444 has 192 divisors, whose sum is σ = 6210355200. Its totient is φ = 560431872.

The previous prime is 2140302433. The next prime is 2140302449. The reversal of 2140302444 is 4442030412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2140302449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5647047 + ... + 5647425.

It is an arithmetic number, because the mean of its divisors is an integer number (32345600).

Almost surely, 2^2140302444 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 2140302444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3105177600).

2140302444 is an abundant number, since it is smaller than the sum of its proper divisors (4070052756).

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

2140302444 is a wasteful number, since it uses less digits than its factorization.

2140302444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2140302444 is about 46263.4028579827. The cubic root of 2140302444 is about 1288.7194479541.

Adding to 2140302444 its reverse (4442030412), we get a palindrome (6582332856).

The spelling of 2140302444 in words is "two billion, one hundred forty million, three hundred two thousand, four hundred forty-four".