40000331343 has 32 divisors (see below), whose sum is σ = 66950553600. Its totient is φ = 20712818016.

The previous prime is 40000331323. The next prime is 40000331347. The reversal of 40000331343 is 34313300004.

It is not a de Polignac number, because 40000331343 - 2⁵ = 40000331311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000331347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2170203 + ... + 2188556.

It is an arithmetic number, because the mean of its divisors is an integer number (2092204800).

Almost surely, 2^40000331343 is an apocalyptic number.

40000331343 is a deficient number, since it is larger than the sum of its proper divisors (26950222257).

40000331343 is a wasteful number, since it uses less digits than its factorization.

40000331343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358811.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 40000331343 its reverse (34313300004), we get a palindrome (74313631347).

The spelling of 40000331343 in words is "forty billion, three hundred thirty-one thousand, three hundred forty-three".