40314304400261 has 2 divisors, whose sum is σ = 40314304400262. Its totient is φ = 40314304400260.

The previous prime is 40314304400243. The next prime is 40314304400303. The reversal of 40314304400261 is 16200440341304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37997287669636 + 2317016730625 = 6164194^2 + 1522175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40314304400261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40314304490261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20157152200130 + 20157152200131.

It is an arithmetic number, because the mean of its divisors is an integer number (20157152200131).

Almost surely, 2^{40314304400261} is an apocalyptic number.

It is an amenable number.

40314304400261 is a deficient number, since it is larger than the sum of its proper divisors (1).

40314304400261 is an equidigital number, since it uses as much as digits as its factorization.

40314304400261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 40314304400261 its reverse (16200440341304), we get a palindrome (56514744741565).

The spelling of 40314304400261 in words is "forty trillion, three hundred fourteen billion, three hundred four million, four hundred thousand, two hundred sixty-one".