40641352427 has 8 divisors (see below), whose sum is σ = 43784182176. Its totient is φ = 37500890112.

The previous prime is 40641352387. The next prime is 40641352471. The reversal of 40641352427 is 72425314604.

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 40641352427 - 2¹² = 40641348331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40641352627) 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, 556118 + ... + 624939.

It is an arithmetic number, because the mean of its divisors is an integer number (5473022772).

Almost surely, 2^40641352427 is an apocalyptic number.

40641352427 is a deficient number, since it is larger than the sum of its proper divisors (3142829749).

40641352427 is a wasteful number, since it uses less digits than its factorization.

40641352427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183717.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 40641352427 in words is "forty billion, six hundred forty-one million, three hundred fifty-two thousand, four hundred twenty-seven".