40075364643 has 8 divisors (see below), whose sum is σ = 53456557056. Its totient is φ = 26705541000.

The previous prime is 40075364639. The next prime is 40075364653. The reversal of 40075364643 is 34646357004.

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

It is not a de Polignac number, because 40075364643 - 2² = 40075364639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40075364595 and 40075364604.

It is not an unprimeable number, because it can be changed into a prime (40075364603) 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, 2833963 + ... + 2848068.

It is an arithmetic number, because the mean of its divisors is an integer number (6682069632).

Almost surely, 2^40075364643 is an apocalyptic number.

40075364643 is a deficient number, since it is larger than the sum of its proper divisors (13381192413).

40075364643 is a wasteful number, since it uses less digits than its factorization.

40075364643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684385.

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 40075364643 in words is "forty billion, seventy-five million, three hundred sixty-four thousand, six hundred forty-three".