40134804487867 has 4 divisors (see below), whose sum is σ = 40134912140736. Its totient is φ = 40134696835000.

The previous prime is 40134804487837. The next prime is 40134804487889. The reversal of 40134804487867 is 76878440843104.

40134804487867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40134804487867 - 2¹⁵ = 40134804455099 is a prime.

It is a super-2 number, since 2×40134804487867² (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 = 40134804487799 and 40134804487808.

It is not an unprimeable number, because it can be changed into a prime (40134804487837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53265259 + ... + 54013492.

It is an arithmetic number, because the mean of its divisors is an integer number (10033728035184).

Almost surely, 2^{40134804487867} is an apocalyptic number.

40134804487867 is a deficient number, since it is larger than the sum of its proper divisors (107652869).

40134804487867 is a wasteful number, since it uses less digits than its factorization.

40134804487867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107652868.

The product of its (nonzero) digits is 115605504, while the sum is 64.

The spelling of 40134804487867 in words is "forty trillion, one hundred thirty-four billion, eight hundred four million, four hundred eighty-seven thousand, eight hundred sixty-seven".