2049647320 has 32 divisors (see below), whose sum is σ = 5270522400. Its totient is φ = 702736128.

The previous prime is 2049647311. The next prime is 2049647321. The reversal of 2049647320 is 237469402.

It is a self number, because there is not a number n which added to its sum of digits gives 2049647320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049647321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659805 + ... + 3660364.

It is an arithmetic number, because the mean of its divisors is an integer number (164703825).

Almost surely, 2^2049647320 is an apocalyptic number.

2049647320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2049647320 is an abundant number, since it is smaller than the sum of its proper divisors (3220875080).

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

2049647320 is a wasteful number, since it uses less digits than its factorization.

2049647320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320187 (or 7320183 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2049647320 is about 45273.0308241010. The cubic root of 2049647320 is about 1270.2612395818.

The spelling of 2049647320 in words is "two billion, forty-nine million, six hundred forty-seven thousand, three hundred twenty".