40746208892321 has 2 divisors, whose sum is σ = 40746208892322. Its totient is φ = 40746208892320.

The previous prime is 40746208892273. The next prime is 40746208892327. The reversal of 40746208892321 is 12329880264704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36962752090000 + 3783456802321 = 6079700^2 + 1945111^2 .

It is a cyclic number.

It is not a de Polignac number, because 40746208892321 - 2³⁸ = 40471330985377 is a prime.

It is not a weakly prime, because it can be changed into another prime (40746208892327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20373104446160 + 20373104446161.

It is an arithmetic number, because the mean of its divisors is an integer number (20373104446161).

Almost surely, 2^{40746208892321} is an apocalyptic number.

It is an amenable number.

40746208892321 is a deficient number, since it is larger than the sum of its proper divisors (1).

40746208892321 is an equidigital number, since it uses as much as digits as its factorization.

40746208892321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 40746208892321 in words is "forty trillion, seven hundred forty-six billion, two hundred eight million, eight hundred ninety-two thousand, three hundred twenty-one".