2078040390 has 32 divisors (see below), whose sum is σ = 5280668640. Its totient is φ = 521547264.

The previous prime is 2078040389. The next prime is 2078040413. The reversal of 2078040390 is 930408702.

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, 2036785 + ... + 2037804.

It is an arithmetic number, because the mean of its divisors is an integer number (165020895).

Almost surely, 2^2078040390 is an apocalyptic number.

2078040390 is an abundant number, since it is smaller than the sum of its proper divisors (3202628250).

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

2078040390 is a wasteful number, since it uses less digits than its factorization.

2078040390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074616.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2078040390 is about 45585.5282957212. The cubic root of 2078040390 is about 1276.0998614042.

The spelling of 2078040390 in words is "two billion, seventy-eight million, forty thousand, three hundred ninety".