40231265505 has 8 divisors (see below), whose sum is σ = 64370024832. Its totient is φ = 21456674928.

The previous prime is 40231265453. The next prime is 40231265519. The reversal of 40231265505 is 50556213204.

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

It is not a de Polignac number, because 40231265505 - 2¹⁰ = 40231264481 is a prime.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 1341042169 + ... + 1341042198.

It is an arithmetic number, because the mean of its divisors is an integer number (8046253104).

Almost surely, 2^40231265505 is an apocalyptic number.

It is an amenable number.

40231265505 is a deficient number, since it is larger than the sum of its proper divisors (24138759327).

40231265505 is a wasteful number, since it uses less digits than its factorization.

40231265505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682084375.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 40231265505 its reverse (50556213204), we get a palindrome (90787478709).

The spelling of 40231265505 in words is "forty billion, two hundred thirty-one million, two hundred sixty-five thousand, five hundred five".