40240542232229 has 2 divisors, whose sum is σ = 40240542232230. Its totient is φ = 40240542232228.

The previous prime is 40240542232199. The next prime is 40240542232237. The reversal of 40240542232229 is 92223224504204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26175267095329 + 14065275136900 = 5116177^2 + 3750370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40240542232229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40240542232729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120271116114 + 20120271116115.

It is an arithmetic number, because the mean of its divisors is an integer number (20120271116115).

Almost surely, 2^{40240542232229} is an apocalyptic number.

It is an amenable number.

40240542232229 is a deficient number, since it is larger than the sum of its proper divisors (1).

40240542232229 is an equidigital number, since it uses as much as digits as its factorization.

40240542232229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 40240542232229 in words is "forty trillion, two hundred forty billion, five hundred forty-two million, two hundred thirty-two thousand, two hundred twenty-nine".