40000232343242 has 16 divisors (see below), whose sum is σ = 60059373788040. Its totient is φ = 19980444552192.

The previous prime is 40000232343163. The next prime is 40000232343271. The reversal of 40000232343242 is 24234323200004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24537964723561 + 15462267619681 = 4953581^2 + 3932209^2 .

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, 22334228 + ... + 24058640.

Almost surely, 2^{40000232343242} is an apocalyptic number.

40000232343242 is a deficient number, since it is larger than the sum of its proper divisors (20059141444798).

40000232343242 is a wasteful number, since it uses less digits than its factorization.

40000232343242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735817.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 40000232343242 its reverse (24234323200004), we get a palindrome (64234555543246).

The spelling of 40000232343242 in words is "forty trillion, two hundred thirty-two million, three hundred forty-three thousand, two hundred forty-two".