40134563144055 has 12 divisors (see below), whose sum is σ = 69566576116440. Its totient is φ = 21405100343472.

The previous prime is 40134563144033. The next prime is 40134563144057. The reversal of 40134563144055 is 55044136543104.

40134563144055 is a `hidden beast` number, since 4 + 0 + 1 + 3 + 4 + 5 + 631 + 4 + 4 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 40134563144055 - 2²¹ = 40134561046903 is a prime.

It is a super-2 number, since 2×40134563144055² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 891879180979 = 40134563144055 / (4 + 0 + 1 + 3 + 4 + 5 + 6 + 3 + 1 + 4 + 4 + 0 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 40134563144055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134563144057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445939590445 + ... + 445939590534.

It is an arithmetic number, because the mean of its divisors is an integer number (5797214676370).

Almost surely, 2^{40134563144055} is an apocalyptic number.

40134563144055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40134563144055 is a deficient number, since it is larger than the sum of its proper divisors (29432012972385).

40134563144055 is a wasteful number, since it uses less digits than its factorization.

40134563144055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891879180990 (or 891879180987 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

Adding to 40134563144055 its reverse (55044136543104), we get a palindrome (95178699687159).

The spelling of 40134563144055 in words is "forty trillion, one hundred thirty-four billion, five hundred sixty-three million, one hundred forty-four thousand, fifty-five".