40501452643 has 8 divisors (see below), whose sum is σ = 40972298688. Its totient is φ = 40032316584.

The previous prime is 40501452559. The next prime is 40501452671. The reversal of 40501452643 is 34625410504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40501452643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40501452599 and 40501452608.

It is not an unprimeable number, because it can be changed into a prime (40501452683) 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, 379821 + ... + 474622.

It is an arithmetic number, because the mean of its divisors is an integer number (5121537336).

Almost surely, 2^40501452643 is an apocalyptic number.

40501452643 is a deficient number, since it is larger than the sum of its proper divisors (470846045).

40501452643 is a wasteful number, since it uses less digits than its factorization.

40501452643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854993.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 40501452643 in words is "forty billion, five hundred one million, four hundred fifty-two thousand, six hundred forty-three".