40804617137 has 4 divisors (see below), whose sum is σ = 41116102896. Its totient is φ = 40493131380.

The previous prime is 40804617097. The next prime is 40804617143. The reversal of 40804617137 is 73171640804.

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 cyclic number.

It is not a de Polignac number, because 40804617137 - 2²² = 40800422833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40804617094 and 40804617103.

It is not an unprimeable number, because it can be changed into a prime (40804617187) 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 3 ways as a sum of consecutive naturals, for example, 155742683 + ... + 155742944.

It is an arithmetic number, because the mean of its divisors is an integer number (10279025724).

Almost surely, 2^40804617137 is an apocalyptic number.

It is an amenable number.

40804617137 is a deficient number, since it is larger than the sum of its proper divisors (311485759).

40804617137 is a wasteful number, since it uses less digits than its factorization.

40804617137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311485758.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 40804617137 in words is "forty billion, eight hundred four million, six hundred seventeen thousand, one hundred thirty-seven".