40542484823 has 4 divisors (see below), whose sum is σ = 41113505808. Its totient is φ = 39971463840.

The previous prime is 40542484757. The next prime is 40542484889. The reversal of 40542484823 is 32848424504.

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

It is an interprime number because it is at equal distance from previous prime (40542484757) and next prime (40542484889).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40542484823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40542487823) 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 in 3 ways as a sum of consecutive naturals, for example, 285510386 + ... + 285510527.

It is an arithmetic number, because the mean of its divisors is an integer number (10278376452).

Almost surely, 2^40542484823 is an apocalyptic number.

40542484823 is a deficient number, since it is larger than the sum of its proper divisors (571020985).

40542484823 is an equidigital number, since it uses as much as digits as its factorization.

40542484823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571020984.

The product of its (nonzero) digits is 983040, while the sum is 44.

The spelling of 40542484823 in words is "forty billion, five hundred forty-two million, four hundred eighty-four thousand, eight hundred twenty-three".