40431353155 has 16 divisors (see below), whose sum is σ = 48591213120. Its totient is φ = 32296071808.

The previous prime is 40431353141. The next prime is 40431353159. The reversal of 40431353155 is 55135313404.

It is a cyclic number.

It is not a de Polignac number, because 40431353155 - 2¹³ = 40431344963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40431353155.

It is not an unprimeable number, because it can be changed into a prime (40431353159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16685274 + ... + 16687696.

It is an arithmetic number, because the mean of its divisors is an integer number (3036950820).

Almost surely, 2^40431353155 is an apocalyptic number.

40431353155 is a deficient number, since it is larger than the sum of its proper divisors (8159859965).

40431353155 is a wasteful number, since it uses less digits than its factorization.

40431353155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 40431353155 its reverse (55135313404), we get a palindrome (95566666559).

The spelling of 40431353155 in words is "forty billion, four hundred thirty-one million, three hundred fifty-three thousand, one hundred fifty-five".