40542403331 has 8 divisors (see below), whose sum is σ = 40652539200. Its totient is φ = 40432342720.

The previous prime is 40542403313. The next prime is 40542403333. The reversal of 40542403331 is 13330424504.

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

It is a cyclic number.

It is not a de Polignac number, because 40542403331 - 2²⁶ = 40475294467 is a prime.

It is a super-2 number, since 2×40542403331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40542403294 and 40542403303.

It is not an unprimeable number, because it can be changed into a prime (40542403333) 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 7 ways as a sum of consecutive naturals, for example, 1158965 + ... + 1193433.

It is an arithmetic number, because the mean of its divisors is an integer number (5081567400).

Almost surely, 2^40542403331 is an apocalyptic number.

40542403331 is a deficient number, since it is larger than the sum of its proper divisors (110135869).

40542403331 is a wasteful number, since it uses less digits than its factorization.

40542403331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37629.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 40542403331 its reverse (13330424504), we get a palindrome (53872827835).

The spelling of 40542403331 in words is "forty billion, five hundred forty-two million, four hundred three thousand, three hundred thirty-one".