40801429 has 2 divisors, whose sum is σ = 40801430. Its totient is φ = 40801428.

The previous prime is 40801393. The next prime is 40801433. The reversal of 40801429 is 92410804.

40801429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37088100 + 3713329 = 6090^2 + 1927^2 .

It is a cyclic number.

It is not a de Polignac number, because 40801429 - 2²¹ = 38704277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40801397 and 40801406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40801469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20400714 + 20400715.

It is an arithmetic number, because the mean of its divisors is an integer number (20400715).

Almost surely, 2^40801429 is an apocalyptic number.

It is an amenable number.

40801429 is a deficient number, since it is larger than the sum of its proper divisors (1).

40801429 is an equidigital number, since it uses as much as digits as its factorization.

40801429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 40801429 is about 6387.5996274031. The cubic root of 40801429 is about 344.2641432790.

The spelling of 40801429 in words is "forty million, eight hundred one thousand, four hundred twenty-nine".