40000431241 has 4 divisors (see below), whose sum is σ = 40930673872. Its totient is φ = 39070188612.

The previous prime is 40000431239. The next prime is 40000431271. The reversal of 40000431241 is 14213400004.

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 40000431241 - 2¹ = 40000431239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40000431271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465121251 + ... + 465121336.

It is an arithmetic number, because the mean of its divisors is an integer number (10232668468).

Almost surely, 2^40000431241 is an apocalyptic number.

It is an amenable number.

40000431241 is a deficient number, since it is larger than the sum of its proper divisors (930242631).

40000431241 is an equidigital number, since it uses as much as digits as its factorization.

40000431241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930242630.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40000431241 its reverse (14213400004), we get a palindrome (54213831245).

The spelling of 40000431241 in words is "forty billion, four hundred thirty-one thousand, two hundred forty-one".