40235665621051 has 2 divisors, whose sum is σ = 40235665621052. Its totient is φ = 40235665621050.

The previous prime is 40235665621033. The next prime is 40235665621069. The reversal of 40235665621051 is 15012656653204.

It is a balanced prime because it is at equal distance from previous prime (40235665621033) and next prime (40235665621069).

It is a cyclic number.

It is not a de Polignac number, because 40235665621051 - 2¹⁷ = 40235665489979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40235665620992 and 40235665621010.

It is not a weakly prime, because it can be changed into another prime (40235665621031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20117832810525 + 20117832810526.

It is an arithmetic number, because the mean of its divisors is an integer number (20117832810526).

Almost surely, 2^{40235665621051} is an apocalyptic number.

40235665621051 is a deficient number, since it is larger than the sum of its proper divisors (1).

40235665621051 is an equidigital number, since it uses as much as digits as its factorization.

40235665621051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 40235665621051 in words is "forty trillion, two hundred thirty-five billion, six hundred sixty-five million, six hundred twenty-one thousand, fifty-one".