40542535555 has 4 divisors (see below), whose sum is σ = 48651042672. Its totient is φ = 32434028440.

The previous prime is 40542535549. The next prime is 40542535609. The reversal of 40542535555 is 55553524504.

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

It is not a de Polignac number, because 40542535555 - 2⁹ = 40542535043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4054253551 + ... + 4054253560.

It is an arithmetic number, because the mean of its divisors is an integer number (12162760668).

Almost surely, 2^40542535555 is an apocalyptic number.

40542535555 is a deficient number, since it is larger than the sum of its proper divisors (8108507117).

40542535555 is an equidigital number, since it uses as much as digits as its factorization.

40542535555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8108507116.

The product of its (nonzero) digits is 1500000, while the sum is 43.

The spelling of 40542535555 in words is "forty billion, five hundred forty-two million, five hundred thirty-five thousand, five hundred fifty-five".