40345124443 has 6 divisors (see below), whose sum is σ = 43687324284. Its totient is φ = 37241653176.

The previous prime is 40345124371. The next prime is 40345124447. The reversal of 40345124443 is 34442154304.

It is a de Polignac number, because none of the positive numbers 2^k-40345124443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40345124399 and 40345124408.

It is not an unprimeable number, because it can be changed into a prime (40345124447) 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 5 ways as a sum of consecutive naturals, for example, 119364105 + ... + 119364442.

It is an arithmetic number, because the mean of its divisors is an integer number (7281220714).

Almost surely, 2^40345124443 is an apocalyptic number.

40345124443 is a deficient number, since it is larger than the sum of its proper divisors (3342199841).

40345124443 is a wasteful number, since it uses less digits than its factorization.

40345124443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238728573 (or 238728560 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 40345124443 its reverse (34442154304), we get a palindrome (74787278747).

The spelling of 40345124443 in words is "forty billion, three hundred forty-five million, one hundred twenty-four thousand, four hundred forty-three".