40202013233431 has 16 divisors (see below), whose sum is σ = 46635745923648. Its totient is φ = 33942168115200.

The previous prime is 40202013233413. The next prime is 40202013233443. The reversal of 40202013233431 is 13433231020204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40202013233431 - 2¹⁵ = 40202013200663 is a prime.

It is a super-2 number, since 2×40202013233431² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40202013233431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202013233411) 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, 51301810 + ... + 52079551.

It is an arithmetic number, because the mean of its divisors is an integer number (2914734120228).

Almost surely, 2^{40202013233431} is an apocalyptic number.

40202013233431 is a deficient number, since it is larger than the sum of its proper divisors (6433732690217).

40202013233431 is a wasteful number, since it uses less digits than its factorization.

40202013233431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103382202.

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

Adding to 40202013233431 its reverse (13433231020204), we get a palindrome (53635244253635).

The spelling of 40202013233431 in words is "forty trillion, two hundred two billion, thirteen million, two hundred thirty-three thousand, four hundred thirty-one".