40555435454045 has 4 divisors (see below), whose sum is σ = 48666522544860. Its totient is φ = 32444348363232.

The previous prime is 40555435454011. The next prime is 40555435454081. The reversal of 40555435454045 is 54045453455504.

It is a happy number.

40555435454045 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 can be written as a sum of positive squares in 2 ways, for example, as 24176554645156 + 16378880808889 = 4916966^2 + 4047083^2 .

It is a cyclic number.

It is not a de Polignac number, because 40555435454045 - 2³² = 40551140486749 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 4055543545400 + ... + 4055543545409.

It is an arithmetic number, because the mean of its divisors is an integer number (12166630636215).

Almost surely, 2^{40555435454045} is an apocalyptic number.

It is an amenable number.

40555435454045 is a deficient number, since it is larger than the sum of its proper divisors (8111087090815).

40555435454045 is an equidigital number, since it uses as much as digits as its factorization.

40555435454045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111087090814.

The product of its (nonzero) digits is 48000000, while the sum is 53.

The spelling of 40555435454045 in words is "forty trillion, five hundred fifty-five billion, four hundred thirty-five million, four hundred fifty-four thousand, forty-five".