4033640405231 has 4 divisors (see below), whose sum is σ = 4035197196864. Its totient is φ = 4032083613600.

The previous prime is 4033640405129. The next prime is 4033640405269. The reversal of 4033640405231 is 1325040463304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4033640405231 - 2³⁰ = 4032566663407 is a prime.

It is a super-2 number, since 2×4033640405231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4033640405191 and 4033640405200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4033640405281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778391930 + ... + 778397111.

It is an arithmetic number, because the mean of its divisors is an integer number (1008799299216).

Almost surely, 2^{4033640405231} is an apocalyptic number.

4033640405231 is a deficient number, since it is larger than the sum of its proper divisors (1556791633).

4033640405231 is a wasteful number, since it uses less digits than its factorization.

4033640405231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556791632.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 4033640405231 its reverse (1325040463304), we get a palindrome (5358680868535).

The spelling of 4033640405231 in words is "four trillion, thirty-three billion, six hundred forty million, four hundred five thousand, two hundred thirty-one".