2720865246 has 32 divisors (see below), whose sum is σ = 6248880000. Its totient is φ = 781109280.

The previous prime is 2720865239. The next prime is 2720865269. The reversal of 2720865246 is 6425680272.

It is a junction number, because it is equal to n+sod(n) for n = 2720865198 and 2720865207.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1083621 + ... + 1086128.

It is an arithmetic number, because the mean of its divisors is an integer number (195277500).

Almost surely, 2^2720865246 is an apocalyptic number.

2720865246 is an abundant number, since it is smaller than the sum of its proper divisors (3528014754).

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

2720865246 is a wasteful number, since it uses less digits than its factorization.

2720865246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169784.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 2720865246 is about 52161.9137494015. The cubic root of 2720865246 is about 1396.0544086943.

The spelling of 2720865246 in words is "two billion, seven hundred twenty million, eight hundred sixty-five thousand, two hundred forty-six".