2040877551 has 4 divisors (see below), whose sum is σ = 2721170072. Its totient is φ = 1360585032.

The previous prime is 2040877543. The next prime is 2040877577. The reversal of 2040877551 is 1557780402.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2040877551 - 2³ = 2040877543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040877651) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 340146256 + ... + 340146261.

It is an arithmetic number, because the mean of its divisors is an integer number (680292518).

Almost surely, 2^2040877551 is an apocalyptic number.

2040877551 is a deficient number, since it is larger than the sum of its proper divisors (680292521).

2040877551 is an equidigital number, since it uses as much as digits as its factorization.

2040877551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680292520.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 2040877551 is about 45176.0727708817. The cubic root of 2040877551 is about 1268.4469724155.

The spelling of 2040877551 in words is "two billion, forty million, eight hundred seventy-seven thousand, five hundred fifty-one".