400041343131 has 8 divisors (see below), whose sum is σ = 533757080064. Its totient is φ = 266509917480.

The previous prime is 400041343111. The next prime is 400041343139. The reversal of 400041343131 is 131343140004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400041343131 - 2¹⁷ = 400041212059 is a prime.

It is a super-2 number, since 2×400041343131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400041343139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46072755 + ... + 46081436.

It is an arithmetic number, because the mean of its divisors is an integer number (66719635008).

Almost surely, 2^400041343131 is an apocalyptic number.

400041343131 is a deficient number, since it is larger than the sum of its proper divisors (133715736933).

400041343131 is a wasteful number, since it uses less digits than its factorization.

400041343131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92155641.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 400041343131 its reverse (131343140004), we get a palindrome (531384483135).

The spelling of 400041343131 in words is "four hundred billion, forty-one million, three hundred forty-three thousand, one hundred thirty-one".