40454068343857 has 4 divisors (see below), whose sum is σ = 46233220964416. Its totient is φ = 34674915723300.

The previous prime is 40454068343827. The next prime is 40454068343861. The reversal of 40454068343857 is 75834386045404.

40454068343857 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40454068343857 - 2¹⁹ = 40454067819569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40454068343795 and 40454068343804.

It is not an unprimeable number, because it can be changed into a prime (40454068343827) 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, 2889576310269 + ... + 2889576310282.

It is an arithmetic number, because the mean of its divisors is an integer number (11558305241104).

Almost surely, 2^{40454068343857} is an apocalyptic number.

It is an amenable number.

40454068343857 is a deficient number, since it is larger than the sum of its proper divisors (5779152620559).

40454068343857 is an equidigital number, since it uses as much as digits as its factorization.

40454068343857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779152620558.

The product of its (nonzero) digits is 154828800, while the sum is 61.

The spelling of 40454068343857 in words is "forty trillion, four hundred fifty-four billion, sixty-eight million, three hundred forty-three thousand, eight hundred fifty-seven".