40542555323 has 2 divisors, whose sum is σ = 40542555324. Its totient is φ = 40542555322.

The previous prime is 40542555307. The next prime is 40542555329. The reversal of 40542555323 is 32355524504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40542555323 - 2⁴ = 40542555307 is a prime.

It is not a weakly prime, because it can be changed into another prime (40542555329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20271277661 + 20271277662.

It is an arithmetic number, because the mean of its divisors is an integer number (20271277662).

Almost surely, 2^40542555323 is an apocalyptic number.

40542555323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40542555323 is an equidigital number, since it uses as much as digits as its factorization.

40542555323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 40542555323 in words is "forty billion, five hundred forty-two million, five hundred fifty-five thousand, three hundred twenty-three".