40242311357 has 2 divisors, whose sum is σ = 40242311358. Its totient is φ = 40242311356.

The previous prime is 40242311341. The next prime is 40242311381. The reversal of 40242311357 is 75311324204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24369083236 + 15873228121 = 156106^2 + 125989^2 .

It is a cyclic number.

It is not a de Polignac number, because 40242311357 - 2⁴ = 40242311341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40242311327) 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, 20121155678 + 20121155679.

It is an arithmetic number, because the mean of its divisors is an integer number (20121155679).

Almost surely, 2^40242311357 is an apocalyptic number.

It is an amenable number.

40242311357 is a deficient number, since it is larger than the sum of its proper divisors (1).

40242311357 is an equidigital number, since it uses as much as digits as its factorization.

40242311357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 40242311357 in words is "forty billion, two hundred forty-two million, three hundred eleven thousand, three hundred fifty-seven".