40424132433 has 16 divisors (see below), whose sum is σ = 54828964800. Its totient is φ = 26492247968.

The previous prime is 40424132389. The next prime is 40424132453. The reversal of 40424132433 is 33423142404.

It is a happy number.

It is not a de Polignac number, because 40424132433 - 2⁶ = 40424132369 is a prime.

It is a super-2 number, since 2×40424132433² (a number of 22 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 40424132433.

It is not an unprimeable number, because it can be changed into a prime (40424132453) 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, 583333 + ... + 648941.

It is an arithmetic number, because the mean of its divisors is an integer number (3426810300).

Almost surely, 2^40424132433 is an apocalyptic number.

It is an amenable number.

40424132433 is a deficient number, since it is larger than the sum of its proper divisors (14404832367).

40424132433 is an frugal number, since it uses more digits than its factorization.

40424132433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65789 (or 65671 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 40424132433 its reverse (33423142404), we get a palindrome (73847274837).

The spelling of 40424132433 in words is "forty billion, four hundred twenty-four million, one hundred thirty-two thousand, four hundred thirty-three".