40124143439 has 2 divisors, whose sum is σ = 40124143440. Its totient is φ = 40124143438.

The previous prime is 40124143373. The next prime is 40124143469. The reversal of 40124143439 is 93434142104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40124143439 - 2⁸ = 40124143183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40124143399 and 40124143408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40124143469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20062071719 + 20062071720.

It is an arithmetic number, because the mean of its divisors is an integer number (20062071720).

Almost surely, 2^40124143439 is an apocalyptic number.

40124143439 is a deficient number, since it is larger than the sum of its proper divisors (1).

40124143439 is an equidigital number, since it uses as much as digits as its factorization.

40124143439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 40124143439 in words is "forty billion, one hundred twenty-four million, one hundred forty-three thousand, four hundred thirty-nine".