40400345113 has 8 divisors (see below), whose sum is σ = 42809241960. Its totient is φ = 37995048960.

The previous prime is 40400345101. The next prime is 40400345129. The reversal of 40400345113 is 31154300404.

It can be written as a sum of positive squares in 4 ways, for example, as 9433848384 + 30966496729 = 97128^2 + 175973^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-40400345113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40400345143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877048 + ... + 921961.

It is an arithmetic number, because the mean of its divisors is an integer number (5351155245).

Almost surely, 2^40400345113 is an apocalyptic number.

It is an amenable number.

40400345113 is a deficient number, since it is larger than the sum of its proper divisors (2408896847).

40400345113 is a wasteful number, since it uses less digits than its factorization.

40400345113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800347.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40400345113 its reverse (31154300404), we get a palindrome (71554645517).

The spelling of 40400345113 in words is "forty billion, four hundred million, three hundred forty-five thousand, one hundred thirteen".