40230434034391 has 2 divisors, whose sum is σ = 40230434034392. Its totient is φ = 40230434034390.

The previous prime is 40230434034289. The next prime is 40230434034397. The reversal of 40230434034391 is 19343043403204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40230434034391 - 2¹⁵ = 40230434001623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40230434034397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115217017195 + 20115217017196.

It is an arithmetic number, because the mean of its divisors is an integer number (20115217017196).

Almost surely, 2^{40230434034391} is an apocalyptic number.

40230434034391 is a deficient number, since it is larger than the sum of its proper divisors (1).

40230434034391 is an equidigital number, since it uses as much as digits as its factorization.

40230434034391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 40.

Adding to 40230434034391 its reverse (19343043403204), we get a palindrome (59573477437595).

The spelling of 40230434034391 in words is "forty trillion, two hundred thirty billion, four hundred thirty-four million, thirty-four thousand, three hundred ninety-one".