40389001527629 has 2 divisors, whose sum is σ = 40389001527630. Its totient is φ = 40389001527628.

The previous prime is 40389001527493. The next prime is 40389001527689. The reversal of 40389001527629 is 92672510098304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39673911430729 + 715090096900 = 6298723^2 + 845630^2 .

It is a cyclic number.

It is not a de Polignac number, because 40389001527629 - 2²⁰ = 40389000479053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40389001527689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20194500763814 + 20194500763815.

It is an arithmetic number, because the mean of its divisors is an integer number (20194500763815).

It is a 1-persistent number, because it is pandigital, but 2⋅40389001527629 = 80778003055258 is not.

Almost surely, 2^{40389001527629} is an apocalyptic number.

It is an amenable number.

40389001527629 is a deficient number, since it is larger than the sum of its proper divisors (1).

40389001527629 is an equidigital number, since it uses as much as digits as its factorization.

40389001527629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 40389001527629 in words is "forty trillion, three hundred eighty-nine billion, one million, five hundred twenty-seven thousand, six hundred twenty-nine".