40231044413 has 4 divisors (see below), whose sum is σ = 45978336480. Its totient is φ = 34483752348.

The previous prime is 40231044401. The next prime is 40231044419. The reversal of 40231044413 is 31444013204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40231044413 - 2⁸ = 40231044157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231044419) 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, 2873646023 + ... + 2873646036.

It is an arithmetic number, because the mean of its divisors is an integer number (11494584120).

Almost surely, 2^40231044413 is an apocalyptic number.

It is an amenable number.

40231044413 is a deficient number, since it is larger than the sum of its proper divisors (5747292067).

40231044413 is an equidigital number, since it uses as much as digits as its factorization.

40231044413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747292066.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40231044413 its reverse (31444013204), we get a palindrome (71675057617).

The spelling of 40231044413 in words is "forty billion, two hundred thirty-one million, forty-four thousand, four hundred thirteen".