40431242134 has 16 divisors (see below), whose sum is σ = 60858720000. Its totient is φ = 20145038760.

The previous prime is 40431242107. The next prime is 40431242149. The reversal of 40431242134 is 43124213404.

It is a congruent number.

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, 3102877 + ... + 3115879.

It is an arithmetic number, because the mean of its divisors is an integer number (3803670000).

Almost surely, 2^40431242134 is an apocalyptic number.

40431242134 is a deficient number, since it is larger than the sum of its proper divisors (20427477866).

40431242134 is a wasteful number, since it uses less digits than its factorization.

40431242134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18315.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40431242134 its reverse (43124213404), we get a palindrome (83555455538).

The spelling of 40431242134 in words is "forty billion, four hundred thirty-one million, two hundred forty-two thousand, one hundred thirty-four".