40132434469 has 2 divisors, whose sum is σ = 40132434470. Its totient is φ = 40132434468.

The previous prime is 40132434457. The next prime is 40132434607. The reversal of 40132434469 is 96443423104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32896890625 + 7235543844 = 181375^2 + 85062^2 .

It is a cyclic number.

It is not a de Polignac number, because 40132434469 - 2⁵ = 40132434437 is a prime.

It is a super-2 number, since 2×40132434469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40132434269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066217234 + 20066217235.

It is an arithmetic number, because the mean of its divisors is an integer number (20066217235).

Almost surely, 2^40132434469 is an apocalyptic number.

It is an amenable number.

40132434469 is a deficient number, since it is larger than the sum of its proper divisors (1).

40132434469 is an equidigital number, since it uses as much as digits as its factorization.

40132434469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 40132434469 in words is "forty billion, one hundred thirty-two million, four hundred thirty-four thousand, four hundred sixty-nine".