40451508340337 has 2 divisors, whose sum is σ = 40451508340338. Its totient is φ = 40451508340336.

The previous prime is 40451508340333. The next prime is 40451508340339. The reversal of 40451508340337 is 73304380515404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40432607864896 + 18900475441 = 6358664^2 + 137479^2 .

It is a cyclic number.

It is not a de Polignac number, because 40451508340337 - 2² = 40451508340333 is a prime.

Together with 40451508340339, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40451508340291 and 40451508340300.

It is not a weakly prime, because it can be changed into another prime (40451508340333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225754170168 + 20225754170169.

It is an arithmetic number, because the mean of its divisors is an integer number (20225754170169).

Almost surely, 2^{40451508340337} is an apocalyptic number.

It is an amenable number.

40451508340337 is a deficient number, since it is larger than the sum of its proper divisors (1).

40451508340337 is an equidigital number, since it uses as much as digits as its factorization.

40451508340337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 40451508340337 in words is "forty trillion, four hundred fifty-one billion, five hundred eight million, three hundred forty thousand, three hundred thirty-seven".