40004320433 has 16 divisors (see below), whose sum is σ = 49885984896. Its totient is φ = 31165655040.

The previous prime is 40004320429. The next prime is 40004320451. The reversal of 40004320433 is 33402340004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40004320433 - 2² = 40004320429 is a prime.

It is a super-2 number, since 2×40004320433² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40004320399 and 40004320408.

It is not an unprimeable number, because it can be changed into a prime (40004320033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332435 + ... + 436487.

It is an arithmetic number, because the mean of its divisors is an integer number (3117874056).

Almost surely, 2^40004320433 is an apocalyptic number.

It is an amenable number.

40004320433 is a deficient number, since it is larger than the sum of its proper divisors (9881664463).

40004320433 is a wasteful number, since it uses less digits than its factorization.

40004320433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109064.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 40004320433 its reverse (33402340004), we get a palindrome (73406660437).

The spelling of 40004320433 in words is "forty billion, four million, three hundred twenty thousand, four hundred thirty-three".