40232321429 has 2 divisors, whose sum is σ = 40232321430. Its totient is φ = 40232321428.

The previous prime is 40232321417. The next prime is 40232321461. The reversal of 40232321429 is 92412323204.

It is an a-pointer prime, because the next prime (40232321461) can be obtained adding 40232321429 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33164052100 + 7068269329 = 182110^2 + 84073^2 .

It is a cyclic number.

It is not a de Polignac number, because 40232321429 - 2¹⁶ = 40232255893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40232321395 and 40232321404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40232323429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116160714 + 20116160715.

It is an arithmetic number, because the mean of its divisors is an integer number (20116160715).

Almost surely, 2^40232321429 is an apocalyptic number.

It is an amenable number.

40232321429 is a deficient number, since it is larger than the sum of its proper divisors (1).

40232321429 is an equidigital number, since it uses as much as digits as its factorization.

40232321429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 40232321429 in words is "forty billion, two hundred thirty-two million, three hundred twenty-one thousand, four hundred twenty-nine".