40134804168447 has 10 divisors (see below), whose sum is σ = 59954460548048. Its totient is φ = 26756536112244.

The previous prime is 40134804168427. The next prime is 40134804168457. The reversal of 40134804168447 is 74486140843104.

40134804168447 is a `hidden beast` number, since 4 + 0 + 1 + 3 + 480 + 41 + 6 + 84 + 47 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-40134804168447 is a prime.

It is a super-2 number, since 2×40134804168447² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40134804168393 and 40134804168402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134804168427) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 247745704663 + ... + 247745704824.

Almost surely, 2^{40134804168447} is an apocalyptic number.

40134804168447 is a deficient number, since it is larger than the sum of its proper divisors (19819656379601).

40134804168447 is an equidigital number, since it uses as much as digits as its factorization.

40134804168447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495491409499 (or 495491409490 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 40134804168447 in words is "forty trillion, one hundred thirty-four billion, eight hundred four million, one hundred sixty-eight thousand, four hundred forty-seven".