40113433432 has 32 divisors (see below), whose sum is σ = 76084394400. Its totient is φ = 19825588224.

The previous prime is 40113433391. The next prime is 40113433433. The reversal of 40113433432 is 23433431104.

It is a self number, because there is not a number n which added to its sum of digits gives 40113433432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40113433433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 159669 + ... + 325147.

It is an arithmetic number, because the mean of its divisors is an integer number (2377637325).

Almost surely, 2^40113433432 is an apocalyptic number.

It is an amenable number.

40113433432 is a deficient number, since it is larger than the sum of its proper divisors (35970960968).

40113433432 is a wasteful number, since it uses less digits than its factorization.

40113433432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165835 (or 165831 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 40113433432 its reverse (23433431104), we get a palindrome (63546864536).

The spelling of 40113433432 in words is "forty billion, one hundred thirteen million, four hundred thirty-three thousand, four hundred thirty-two".