40241376643 has 8 divisors (see below), whose sum is σ = 43522865568. Its totient is φ = 36986458944.

The previous prime is 40241376619. The next prime is 40241376647. The reversal of 40241376643 is 34667314204.

It is a happy number.

40241376643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40241376643 - 2¹³ = 40241368451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40241376596 and 40241376605.

It is not an unprimeable number, because it can be changed into a prime (40241376647) 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, 6639655 + ... + 6645712.

It is an arithmetic number, because the mean of its divisors is an integer number (5440358196).

Almost surely, 2^40241376643 is an apocalyptic number.

40241376643 is a deficient number, since it is larger than the sum of its proper divisors (3281488925).

40241376643 is a wasteful number, since it uses less digits than its factorization.

40241376643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13285613.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 40241376643 in words is "forty billion, two hundred forty-one million, three hundred seventy-six thousand, six hundred forty-three".