40303003645 has 8 divisors (see below), whose sum is σ = 48467169504. Its totient is φ = 32173359504.

The previous prime is 40303003639. The next prime is 40303003667. The reversal of 40303003645 is 54630030304.

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-40303003645 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8627859 + ... + 8632528.

It is an arithmetic number, because the mean of its divisors is an integer number (6058396188).

Almost surely, 2^40303003645 is an apocalyptic number.

It is an amenable number.

40303003645 is a deficient number, since it is larger than the sum of its proper divisors (8164165859).

40303003645 is a wasteful number, since it uses less digits than its factorization.

40303003645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17260859.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 40303003645 its reverse (54630030304), we get a palindrome (94933033949).

The spelling of 40303003645 in words is "forty billion, three hundred three million, three thousand, six hundred forty-five".