4013402240431 has 4 divisors (see below), whose sum is σ = 4142866828864. Its totient is φ = 3883937652000.

The previous prime is 4013402240423. The next prime is 4013402240453. The reversal of 4013402240431 is 1340422043104.

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 4013402240431 - 2³ = 4013402240423 is a prime.

It is a super-2 number, since 2×4013402240431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4013402240431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013402249431) 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, 64732294170 + ... + 64732294231.

It is an arithmetic number, because the mean of its divisors is an integer number (1035716707216).

Almost surely, 2^{4013402240431} is an apocalyptic number.

4013402240431 is a deficient number, since it is larger than the sum of its proper divisors (129464588433).

4013402240431 is a wasteful number, since it uses less digits than its factorization.

4013402240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129464588432.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4013402240431 its reverse (1340422043104), we get a palindrome (5353824283535).

The spelling of 4013402240431 in words is "four trillion, thirteen billion, four hundred two million, two hundred forty thousand, four hundred thirty-one".