40543344455 has 8 divisors (see below), whose sum is σ = 51513896592. Its totient is φ = 30526753408.

The previous prime is 40543344437. The next prime is 40543344481. The reversal of 40543344455 is 55444334504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40543344455 - 2¹⁰ = 40543343431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 238490177 + ... + 238490346.

It is an arithmetic number, because the mean of its divisors is an integer number (6439237074).

Almost surely, 2^40543344455 is an apocalyptic number.

40543344455 is a deficient number, since it is larger than the sum of its proper divisors (10970552137).

40543344455 is a wasteful number, since it uses less digits than its factorization.

40543344455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476980545.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 40543344455 its reverse (55444334504), we get a palindrome (95987678959).

The spelling of 40543344455 in words is "forty billion, five hundred forty-three million, three hundred forty-four thousand, four hundred fifty-five".