40352230431 has 32 divisors (see below), whose sum is σ = 60843974400. Its totient is φ = 26423932320.

The previous prime is 40352230427. The next prime is 40352230453. The reversal of 40352230431 is 13403225304.

40352230431 is a `hidden beast` number, since 4 + 0 + 3 + 5 + 223 + 0 + 431 = 666.

40352230431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40352230431 - 2² = 40352230427 is a prime.

It is a super-2 number, since 2×40352230431² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40352230395 and 40352230404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40352230411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2072361 + ... + 2091741.

It is an arithmetic number, because the mean of its divisors is an integer number (1901374200).

Almost surely, 2^40352230431 is an apocalyptic number.

40352230431 is a deficient number, since it is larger than the sum of its proper divisors (20491743969).

40352230431 is a wasteful number, since it uses less digits than its factorization.

40352230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20756 (or 20750 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 40352230431 its reverse (13403225304), we get a palindrome (53755455735).

The spelling of 40352230431 in words is "forty billion, three hundred fifty-two million, two hundred thirty thousand, four hundred thirty-one".