40134563144085 has 32 divisors (see below), whose sum is σ = 64624894339968. Its totient is φ = 21268900235520.

The previous prime is 40134563144077. The next prime is 40134563144089. The reversal of 40134563144085 is 58044136543104.

It is not a de Polignac number, because 40134563144085 - 2³ = 40134563144077 is a prime.

It is a super-2 number, since 2×40134563144085² (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 (40134563144089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8403042 + ... + 12283331.

It is an arithmetic number, because the mean of its divisors is an integer number (2019527948124).

Almost surely, 2^{40134563144085} is an apocalyptic number.

It is an amenable number.

40134563144085 is a deficient number, since it is larger than the sum of its proper divisors (24490331195883).

40134563144085 is a wasteful number, since it uses less digits than its factorization.

40134563144085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20687205.

The product of its (nonzero) digits is 2764800, while the sum is 48.

Adding to 40134563144085 its reverse (58044136543104), we get a palindrome (98178699687189).

The spelling of 40134563144085 in words is "forty trillion, one hundred thirty-four billion, five hundred sixty-three million, one hundred forty-four thousand, eighty-five".