40250331349 has 2 divisors, whose sum is σ = 40250331350. Its totient is φ = 40250331348.

The previous prime is 40250331313. The next prime is 40250331371. The reversal of 40250331349 is 94313305204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27285093124 + 12965238225 = 165182^2 + 113865^2 .

It is a cyclic number.

It is not a de Polignac number, because 40250331349 - 2⁷ = 40250331221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40250331379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125165674 + 20125165675.

It is an arithmetic number, because the mean of its divisors is an integer number (20125165675).

Almost surely, 2^40250331349 is an apocalyptic number.

It is an amenable number.

40250331349 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250331349 is an equidigital number, since it uses as much as digits as its factorization.

40250331349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 40250331349 in words is "forty billion, two hundred fifty million, three hundred thirty-one thousand, three hundred forty-nine".