40431041432 has 16 divisors (see below), whose sum is σ = 75933101760. Its totient is φ = 20182214304.

The previous prime is 40431041429. The next prime is 40431041477. The reversal of 40431041432 is 23414013404.

40431041432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40431041432² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4158143 + ... + 4167854.

It is an arithmetic number, because the mean of its divisors is an integer number (4745818860).

Almost surely, 2^40431041432 is an apocalyptic number.

It is an amenable number.

40431041432 is a deficient number, since it is larger than the sum of its proper divisors (35502060328).

40431041432 is a wasteful number, since it uses less digits than its factorization.

40431041432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326610 (or 8326606 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40431041432 its reverse (23414013404), we get a palindrome (63845054836).

The spelling of 40431041432 in words is "forty billion, four hundred thirty-one million, forty-one thousand, four hundred thirty-two".