40124344387 has 2 divisors, whose sum is σ = 40124344388. Its totient is φ = 40124344386.

The previous prime is 40124344303. The next prime is 40124344409. The reversal of 40124344387 is 78344342104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40124344387 is a prime.

It is not a weakly prime, because it can be changed into another prime (40124342387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20062172193 + 20062172194.

It is an arithmetic number, because the mean of its divisors is an integer number (20062172194).

Almost surely, 2^40124344387 is an apocalyptic number.

40124344387 is a deficient number, since it is larger than the sum of its proper divisors (1).

40124344387 is an equidigital number, since it uses as much as digits as its factorization.

40124344387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 40124344387 in words is "forty billion, one hundred twenty-four million, three hundred forty-four thousand, three hundred eighty-seven".