2340781216 has 12 divisors (see below), whose sum is σ = 4608413082. Its totient is φ = 1170390592.

The previous prime is 2340781181. The next prime is 2340781217. The reversal of 2340781216 is 6121870432.

It can be written as a sum of positive squares in only one way, i.e., 2340624400 + 156816 = 48380^2 + 396^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2340781217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36574675 + ... + 36574738.

Almost surely, 2^2340781216 is an apocalyptic number.

It is an amenable number.

2340781216 is a deficient number, since it is larger than the sum of its proper divisors (2267631866).

2340781216 is an equidigital number, since it uses as much as digits as its factorization.

2340781216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73149423 (or 73149415 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2340781216 is about 48381.6206425539. The cubic root of 2340781216 is about 1327.7621205024.

The spelling of 2340781216 in words is "two billion, three hundred forty million, seven hundred eighty-one thousand, two hundred sixteen".