40273430641 has 8 divisors (see below), whose sum is σ = 41151682944. Its totient is φ = 39396068880.

The previous prime is 40273430599. The next prime is 40273430657. The reversal of 40273430641 is 14603437204.

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 40273430641 - 2⁹ = 40273430129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40273430597 and 40273430606.

It is not an unprimeable number, because it can be changed into a prime (40273430671) 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 7 ways as a sum of consecutive naturals, for example, 130795 + ... + 312496.

It is an arithmetic number, because the mean of its divisors is an integer number (5143960368).

Almost surely, 2^40273430641 is an apocalyptic number.

It is an amenable number.

40273430641 is a deficient number, since it is larger than the sum of its proper divisors (878252303).

40273430641 is a wasteful number, since it uses less digits than its factorization.

40273430641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445271.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 40273430641 its reverse (14603437204), we get a palindrome (54876867845).

The spelling of 40273430641 in words is "forty billion, two hundred seventy-three million, four hundred thirty thousand, six hundred forty-one".