2996646840 has 192 divisors, whose sum is σ = 11018367360. Its totient is φ = 726433920.

The previous prime is 2996646773. The next prime is 2996646847. The reversal of 2996646840 is 486466992.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2996646847) 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 47 ways as a sum of consecutive naturals, for example, 92907 + ... + 120933.

It is an arithmetic number, because the mean of its divisors is an integer number (57387330).

Almost surely, 2^2996646840 is an apocalyptic number.

2996646840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2996646840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5509183680).

2996646840 is an abundant number, since it is smaller than the sum of its proper divisors (8021720520).

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

2996646840 is a wasteful number, since it uses less digits than its factorization.

2996646840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28064 (or 28048 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The square root of 2996646840 is about 54741.6371695257. The cubic root of 2996646840 is about 1441.7120262531.

The spelling of 2996646840 in words is "two billion, nine hundred ninety-six million, six hundred forty-six thousand, eight hundred forty".