2082647644 has 192 divisors, whose sum is σ = 4958392320. Its totient is φ = 748070400.

The previous prime is 2082647641. The next prime is 2082647647. The reversal of 2082647644 is 4467462802.

It is an interprime number because it is at equal distance from previous prime (2082647641) and next prime (2082647647).

It is a self number, because there is not a number n which added to its sum of digits gives 2082647644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082647641) 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, 44311629 + ... + 44311675.

It is an arithmetic number, because the mean of its divisors is an integer number (25824960).

Almost surely, 2^2082647644 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 2082647644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479196160).

2082647644 is an abundant number, since it is smaller than the sum of its proper divisors (2875744676).

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

2082647644 is a wasteful number, since it uses less digits than its factorization.

2082647644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The square root of 2082647644 is about 45636.0344903016. The cubic root of 2082647644 is about 1277.0422518928.

The spelling of 2082647644 in words is "two billion, eighty-two million, six hundred forty-seven thousand, six hundred forty-four".