40343005544331 has 64 divisors (see below), whose sum is σ = 61743621828608. Its totient is φ = 22952727502848.

The previous prime is 40343005544327. The next prime is 40343005544353. The reversal of 40343005544331 is 13344550034304.

40343005544331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40343005544331 - 2² = 40343005544327 is a prime.

It is a super-2 number, since 2×40343005544331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40343005544331.

It is not an unprimeable number, because it can be changed into a prime (40343005544531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9856583721 + ... + 9856587813.

It is an arithmetic number, because the mean of its divisors is an integer number (964744091072).

Almost surely, 2^{40343005544331} is an apocalyptic number.

40343005544331 is a deficient number, since it is larger than the sum of its proper divisors (21400616284277).

40343005544331 is a wasteful number, since it uses less digits than its factorization.

40343005544331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620.

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 40343005544331 its reverse (13344550034304), we get a palindrome (53687555578635).

The spelling of 40343005544331 in words is "forty trillion, three hundred forty-three billion, five million, five hundred forty-four thousand, three hundred thirty-one".