2056632492 has 96 divisors (see below), whose sum is σ = 5100480000. Its totient is φ = 643686912.

The previous prime is 2056632491. The next prime is 2056632499. The reversal of 2056632492 is 2942366502.

It is a self number, because there is not a number n which added to its sum of digits gives 2056632492.

It is not an unprimeable number, because it can be changed into a prime (2056632491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4121259 + ... + 4121757.

It is an arithmetic number, because the mean of its divisors is an integer number (53130000).

Almost surely, 2^2056632492 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 2056632492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550240000).

2056632492 is an abundant number, since it is smaller than the sum of its proper divisors (3043847508).

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

2056632492 is a wasteful number, since it uses less digits than its factorization.

2056632492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 2056632492 is about 45350.1101652466. The cubic root of 2056632492 is about 1271.7026148069.

Adding to 2056632492 its reverse (2942366502), we get a palindrome (4998998994).

The spelling of 2056632492 in words is "two billion, fifty-six million, six hundred thirty-two thousand, four hundred ninety-two".