2041970644 has 48 divisors (see below), whose sum is σ = 4168257408. Its totient is φ = 857121408.

The previous prime is 2041970633. The next prime is 2041970647. The reversal of 2041970644 is 4460791402.

It is a happy number.

It is a super-2 number, since 2×2041970644² = 8339288221915549472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041970647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404622 + ... + 1406074.

It is an arithmetic number, because the mean of its divisors is an integer number (86838696).

Almost surely, 2^2041970644 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 2041970644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084128704).

2041970644 is an abundant number, since it is smaller than the sum of its proper divisors (2126286764).

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

2041970644 is a wasteful number, since it uses less digits than its factorization.

2041970644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2041970644 is about 45188.1692924155. The cubic root of 2041970644 is about 1268.6733918525.

The spelling of 2041970644 in words is "two billion, forty-one million, nine hundred seventy thousand, six hundred forty-four".