40127641643 has 8 divisors (see below), whose sum is σ = 41425815936. Its totient is φ = 38829700800.

The previous prime is 40127641639. The next prime is 40127641663. The reversal of 40127641643 is 34614672104.

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 40127641643 - 2² = 40127641639 is a prime.

It is a super-2 number, since 2×40127641643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40127641597 and 40127641606.

It is not an unprimeable number, because it can be changed into a prime (40127641663) by changing a digit.

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, 332663 + ... + 436943.

It is an arithmetic number, because the mean of its divisors is an integer number (5178226992).

Almost surely, 2^40127641643 is an apocalyptic number.

40127641643 is a deficient number, since it is larger than the sum of its proper divisors (1298174293).

40127641643 is a wasteful number, since it uses less digits than its factorization.

40127641643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116725.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 40127641643 in words is "forty billion, one hundred twenty-seven million, six hundred forty-one thousand, six hundred forty-three".