40422121529 has 2 divisors, whose sum is σ = 40422121530. Its totient is φ = 40422121528.

The previous prime is 40422121447. The next prime is 40422121541. The reversal of 40422121529 is 92512122404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22945281529 + 17476840000 = 151477^2 + 132200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40422121529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40422121495 and 40422121504.

It is not a weakly prime, because it can be changed into another prime (40422121829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211060764 + 20211060765.

It is an arithmetic number, because the mean of its divisors is an integer number (20211060765).

Almost surely, 2^40422121529 is an apocalyptic number.

It is an amenable number.

40422121529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422121529 is an equidigital number, since it uses as much as digits as its factorization.

40422121529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 40422121529 in words is "forty billion, four hundred twenty-two million, one hundred twenty-one thousand, five hundred twenty-nine".