40242311299 has 2 divisors, whose sum is σ = 40242311300. Its totient is φ = 40242311298.

The previous prime is 40242311297. The next prime is 40242311327. The reversal of 40242311299 is 99211324204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40242311299 - 2¹ = 40242311297 is a prime.

Together with 40242311297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40242311297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20121155649 + 20121155650.

It is an arithmetic number, because the mean of its divisors is an integer number (20121155650).

Almost surely, 2^40242311299 is an apocalyptic number.

40242311299 is a deficient number, since it is larger than the sum of its proper divisors (1).

40242311299 is an equidigital number, since it uses as much as digits as its factorization.

40242311299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

It can be divided in two parts, 40242 and 311299, that added together give a triangular number (351541 = T₈₃₈).

The spelling of 40242311299 in words is "forty billion, two hundred forty-two million, three hundred eleven thousand, two hundred ninety-nine".