40206111242 has 16 divisors (see below), whose sum is σ = 69254546400. Its totient is φ = 17313636240.

The previous prime is 40206111229. The next prime is 40206111263. The reversal of 40206111242 is 24211160204.

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, 48093017 + ... + 48093852.

It is an arithmetic number, because the mean of its divisors is an integer number (4328409150).

Almost surely, 2^40206111242 is an apocalyptic number.

40206111242 is a deficient number, since it is larger than the sum of its proper divisors (29048435158).

40206111242 is a wasteful number, since it uses less digits than its factorization.

40206111242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96186901.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 40206111242 its reverse (24211160204), we get a palindrome (64417271446).

The spelling of 40206111242 in words is "forty billion, two hundred six million, one hundred eleven thousand, two hundred forty-two".