40134563144205 has 64 divisors (see below), whose sum is σ = 65993975389440. Its totient is φ = 20815661260800.

The previous prime is 40134563144201. The next prime is 40134563144243. The reversal of 40134563144205 is 50244136543104.

It is not a de Polignac number, because 40134563144205 - 2² = 40134563144201 is a prime.

It is a super-2 number, since 2×40134563144205² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134563144201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 324669889 + ... + 324793481.

It is an arithmetic number, because the mean of its divisors is an integer number (1031155865460).

Almost surely, 2^{40134563144205} is an apocalyptic number.

It is an amenable number.

40134563144205 is a deficient number, since it is larger than the sum of its proper divisors (25859412245235).

40134563144205 is a wasteful number, since it uses less digits than its factorization.

40134563144205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125342.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 40134563144205 its reverse (50244136543104), we get a palindrome (90378699687309).

The spelling of 40134563144205 in words is "forty trillion, one hundred thirty-four billion, five hundred sixty-three million, one hundred forty-four thousand, two hundred five".