400431141340003 has 16 divisors (see below), whose sum is σ = 421087002255360. Its totient is φ = 380317696293600.

The previous prime is 400431141339979. The next prime is 400431141340007. The reversal of 400431141340003 is 300043141134004.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400431141340003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400431141340007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489135988 + ... + 489953953.

It is an arithmetic number, because the mean of its divisors is an integer number (26317937640960).

Almost surely, 2^{400431141340003} is an apocalyptic number.

400431141340003 is a deficient number, since it is larger than the sum of its proper divisors (20655860915357).

400431141340003 is a wasteful number, since it uses less digits than its factorization.

400431141340003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979090218.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 400431141340003 its reverse (300043141134004), we get a palindrome (700474282474007).

The spelling of 400431141340003 in words is "four hundred trillion, four hundred thirty-one billion, one hundred forty-one million, three hundred forty thousand, three".