40376626126261 has 2 divisors, whose sum is σ = 40376626126262. Its totient is φ = 40376626126260.

The previous prime is 40376626126231. The next prime is 40376626126301. The reversal of 40376626126261 is 16262162667304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37216942123761 + 3159684002500 = 6100569^2 + 1777550^2 .

It is a cyclic number.

It is not a de Polignac number, because 40376626126261 - 2³³ = 40368036191669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40376626126199 and 40376626126208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40376626126231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20188313063130 + 20188313063131.

It is an arithmetic number, because the mean of its divisors is an integer number (20188313063131).

Almost surely, 2^{40376626126261} is an apocalyptic number.

It is an amenable number.

40376626126261 is a deficient number, since it is larger than the sum of its proper divisors (1).

40376626126261 is an equidigital number, since it uses as much as digits as its factorization.

40376626126261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 40376626126261 in words is "forty trillion, three hundred seventy-six billion, six hundred twenty-six million, one hundred twenty-six thousand, two hundred sixty-one".