40816014328061 has 4 divisors (see below), whose sum is σ = 46646873517792. Its totient is φ = 34985155138332.

The previous prime is 40816014328021. The next prime is 40816014328073. The reversal of 40816014328061 is 16082341061804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-40816014328061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40816014328021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2915429594855 + ... + 2915429594868.

It is an arithmetic number, because the mean of its divisors is an integer number (11661718379448).

Almost surely, 2^{40816014328061} is an apocalyptic number.

It is an amenable number.

40816014328061 is a deficient number, since it is larger than the sum of its proper divisors (5830859189731).

40816014328061 is an equidigital number, since it uses as much as digits as its factorization.

40816014328061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830859189730.

The product of its (nonzero) digits is 221184, while the sum is 44.

Adding to 40816014328061 its reverse (16082341061804), we get a palindrome (56898355389865).

The spelling of 40816014328061 in words is "forty trillion, eight hundred sixteen billion, fourteen million, three hundred twenty-eight thousand, sixty-one".