40232053431 has 16 divisors (see below), whose sum is σ = 59667237600. Its totient is φ = 26792481024.

The previous prime is 40232053417. The next prime is 40232053457. The reversal of 40232053431 is 13435023204.

40232053431 is a `hidden beast` number, since 4 + 0 + 23 + 205 + 3 + 431 = 666.

40232053431 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 40232053431 - 2¹¹ = 40232051383 is a prime.

It is a super-2 number, since 2×40232053431² (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 = 40232053395 and 40232053404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232053831) 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, 776896 + ... + 827061.

It is an arithmetic number, because the mean of its divisors is an integer number (3729202350).

Almost surely, 2^40232053431 is an apocalyptic number.

40232053431 is a deficient number, since it is larger than the sum of its proper divisors (19435184169).

40232053431 is a wasteful number, since it uses less digits than its factorization.

40232053431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604895 (or 1604889 counting only the distinct ones).

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

Adding to 40232053431 its reverse (13435023204), we get a palindrome (53667076635).

The spelling of 40232053431 in words is "forty billion, two hundred thirty-two million, fifty-three thousand, four hundred thirty-one".