40312204134 has 32 divisors (see below), whose sum is σ = 81616589280. Its totient is φ = 13272672000.

The previous prime is 40312204129. The next prime is 40312204157. The reversal of 40312204134 is 43140221304.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176122 + ... + 334130.

It is an arithmetic number, because the mean of its divisors is an integer number (2550518415).

Almost surely, 2^40312204134 is an apocalyptic number.

40312204134 is an abundant number, since it is smaller than the sum of its proper divisors (41304385146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40312204134 is a wasteful number, since it uses less digits than its factorization.

40312204134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158536.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40312204134 its reverse (43140221304), we get a palindrome (83452425438).

The spelling of 40312204134 in words is "forty billion, three hundred twelve million, two hundred four thousand, one hundred thirty-four".