40205233034242 has 16 divisors (see below), whose sum is σ = 60894739540800. Its totient is φ = 19907190199440.

The previous prime is 40205233034237. The next prime is 40205233034257. The reversal of 40205233034242 is 24243033250204.

It is a junction number, because it is equal to n+sod(n) for n = 40205233034198 and 40205233034207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50523942 + ... + 51313537.

It is an arithmetic number, because the mean of its divisors is an integer number (3805921221300).

Almost surely, 2^{40205233034242} is an apocalyptic number.

40205233034242 is a deficient number, since it is larger than the sum of its proper divisors (20689506506558).

40205233034242 is a wasteful number, since it uses less digits than its factorization.

40205233034242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101839401.

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 40205233034242 its reverse (24243033250204), we get a palindrome (64448266284446).

The spelling of 40205233034242 in words is "forty trillion, two hundred five billion, two hundred thirty-three million, thirty-four thousand, two hundred forty-two".