2040654767 has 4 divisors (see below), whose sum is σ = 2066485920. Its totient is φ = 2014823616.

The previous prime is 2040654761. The next prime is 2040654779. The reversal of 2040654767 is 7674560402.

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

It is a cyclic number.

It is not a de Polignac number, because 2040654767 - 2¹⁰ = 2040653743 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 (2040654761) 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, 12915458 + ... + 12915615.

It is an arithmetic number, because the mean of its divisors is an integer number (516621480).

Almost surely, 2^2040654767 is an apocalyptic number.

2040654767 is a deficient number, since it is larger than the sum of its proper divisors (25831153).

2040654767 is an equidigital number, since it uses as much as digits as its factorization.

2040654767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831152.

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 2040654767 is about 45173.6069735415. The cubic root of 2040654767 is about 1268.4008158046.

The spelling of 2040654767 in words is "two billion, forty million, six hundred fifty-four thousand, seven hundred sixty-seven".