2040355157 has 2 divisors, whose sum is σ = 2040355158. Its totient is φ = 2040355156.

The previous prime is 2040355129. The next prime is 2040355193. The reversal of 2040355157 is 7515530402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1836465316 + 203889841 = 42854^2 + 14279^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040355157 - 2¹⁶ = 2040289621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040355127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020177578 + 1020177579.

It is an arithmetic number, because the mean of its divisors is an integer number (1020177579).

Almost surely, 2^2040355157 is an apocalyptic number.

It is an amenable number.

2040355157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040355157 is an equidigital number, since it uses as much as digits as its factorization.

2040355157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 2040355157 is about 45170.2906455117. The cubic root of 2040355157 is about 1268.3387370093.

Adding to 2040355157 its reverse (7515530402), we get a palindrome (9555885559).

The spelling of 2040355157 in words is "two billion, forty million, three hundred fifty-five thousand, one hundred fifty-seven".