40132087784389 has 2 divisors, whose sum is σ = 40132087784390. Its totient is φ = 40132087784388.

The previous prime is 40132087784309. The next prime is 40132087784423. The reversal of 40132087784389 is 98348778023104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36895201036164 + 3236886748225 = 6074142^2 + 1799135^2 .

It is a cyclic number.

It is not a de Polignac number, because 40132087784389 - 2¹⁹ = 40132087260101 is a prime.

It is a super-2 number, since 2×40132087784389² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40132087784389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40132087784309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066043892194 + 20066043892195.

It is an arithmetic number, because the mean of its divisors is an integer number (20066043892195).

Almost surely, 2^{40132087784389} is an apocalyptic number.

It is an amenable number.

40132087784389 is a deficient number, since it is larger than the sum of its proper divisors (1).

40132087784389 is an equidigital number, since it uses as much as digits as its factorization.

40132087784389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 40132087784389 in words is "forty trillion, one hundred thirty-two billion, eighty-seven million, seven hundred eighty-four thousand, three hundred eighty-nine".