2340278878 has 16 divisors (see below), whose sum is σ = 4051630944. Its totient is φ = 993045600.

The previous prime is 2340278869. The next prime is 2340278891. The reversal of 2340278878 is 8788720432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826125 + ... + 828952.

It is an arithmetic number, because the mean of its divisors is an integer number (253226934).

Almost surely, 2^2340278878 is an apocalyptic number.

2340278878 is a deficient number, since it is larger than the sum of its proper divisors (1711352066).

2340278878 is a wasteful number, since it uses less digits than its factorization.

2340278878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655187.

The product of its (nonzero) digits is 1204224, while the sum is 49.

The square root of 2340278878 is about 48376.4289504713. The cubic root of 2340278878 is about 1327.6671332560.

The spelling of 2340278878 in words is "two billion, three hundred forty million, two hundred seventy-eight thousand, eight hundred seventy-eight".