2040481497557 has 2 divisors, whose sum is σ = 2040481497558. Its totient is φ = 2040481497556.

The previous prime is 2040481497529. The next prime is 2040481497611. The reversal of 2040481497557 is 7557941840402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1919238953956 + 121242543601 = 1385366^2 + 348199^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040481497557 - 2⁶ = 2040481497493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040481497157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020240748778 + 1020240748779.

It is an arithmetic number, because the mean of its divisors is an integer number (1020240748779).

Almost surely, 2^{2040481497557} is an apocalyptic number.

It is an amenable number.

2040481497557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040481497557 is an equidigital number, since it uses as much as digits as its factorization.

2040481497557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 2040481497557 in words is "two trillion, forty billion, four hundred eighty-one million, four hundred ninety-seven thousand, five hundred fifty-seven".