40302043431 has 8 divisors (see below), whose sum is σ = 57869600880. Its totient is φ = 24801257472.

The previous prime is 40302043421. The next prime is 40302043447. The reversal of 40302043431 is 13434020304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40302043431 - 2¹⁸ = 40301781287 is a prime.

It is a super-2 number, since 2×40302043431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40302043421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516692826 + ... + 516692903.

It is an arithmetic number, because the mean of its divisors is an integer number (7233700110).

Almost surely, 2^40302043431 is an apocalyptic number.

40302043431 is a deficient number, since it is larger than the sum of its proper divisors (17567557449).

40302043431 is a wasteful number, since it uses less digits than its factorization.

40302043431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033385745.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40302043431 its reverse (13434020304), we get a palindrome (53736063735).

The spelling of 40302043431 in words is "forty billion, three hundred two million, forty-three thousand, four hundred thirty-one".