2040756077 has 4 divisors (see below), whose sum is σ = 2044085820. Its totient is φ = 2037426336.

The previous prime is 2040756073. The next prime is 2040756083. The reversal of 2040756077 is 7706570402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 192959881 + 1847796196 = 13891^2 + 42986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040756077 - 2² = 2040756073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2040756077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040756073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663952 + ... + 1665177.

It is an arithmetic number, because the mean of its divisors is an integer number (511021455).

Almost surely, 2^2040756077 is an apocalyptic number.

It is an amenable number.

2040756077 is a deficient number, since it is larger than the sum of its proper divisors (3329743).

2040756077 is an equidigital number, since it uses as much as digits as its factorization.

2040756077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329742.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 2040756077 is about 45174.7283002344. The cubic root of 2040756077 is about 1268.4218057277.

The spelling of 2040756077 in words is "two billion, forty million, seven hundred fifty-six thousand, seventy-seven".