2040856379 has 2 divisors, whose sum is σ = 2040856380. Its totient is φ = 2040856378.

The previous prime is 2040856361. The next prime is 2040856457. The reversal of 2040856379 is 9736580402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040856379 - 2⁸ = 2040856123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2040856339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020428189 + 1020428190.

It is an arithmetic number, because the mean of its divisors is an integer number (1020428190).

Almost surely, 2^2040856379 is an apocalyptic number.

2040856379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040856379 is an equidigital number, since it uses as much as digits as its factorization.

2040856379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2040856379 is about 45175.8384426897. The cubic root of 2040856379 is about 1268.4425861239.

The spelling of 2040856379 in words is "two billion, forty million, eight hundred fifty-six thousand, three hundred seventy-nine".