40542062629 has 2 divisors, whose sum is σ = 40542062630. Its totient is φ = 40542062628.

The previous prime is 40542062593. The next prime is 40542062641. The reversal of 40542062629 is 92626024504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31536432225 + 9005630404 = 177585^2 + 94898^2 .

It is a cyclic number.

It is not a de Polignac number, because 40542062629 - 2¹⁵ = 40542029861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40542062591 and 40542062600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40542062699) 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, 20271031314 + 20271031315.

It is an arithmetic number, because the mean of its divisors is an integer number (20271031315).

Almost surely, 2^40542062629 is an apocalyptic number.

It is an amenable number.

40542062629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40542062629 is an equidigital number, since it uses as much as digits as its factorization.

40542062629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 40542062629 in words is "forty billion, five hundred forty-two million, sixty-two thousand, six hundred twenty-nine".