40544135233 has 8 divisors (see below), whose sum is σ = 46349539520. Its totient is φ = 34742077200.

The previous prime is 40544135189. The next prime is 40544135287. The reversal of 40544135233 is 33253144504.

It is a happy number.

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 40544135233 - 2²¹ = 40542038081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40544135033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810543 + ... + 859108.

It is an arithmetic number, because the mean of its divisors is an integer number (5793692440).

Almost surely, 2^40544135233 is an apocalyptic number.

It is an amenable number.

40544135233 is a deficient number, since it is larger than the sum of its proper divisors (5805404287).

40544135233 is a wasteful number, since it uses less digits than its factorization.

40544135233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673127.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 40544135233 its reverse (33253144504), we get a palindrome (73797279737).

The spelling of 40544135233 in words is "forty billion, five hundred forty-four million, one hundred thirty-five thousand, two hundred thirty-three".