40503563321 has 8 divisors (see below), whose sum is σ = 44547291264. Its totient is φ = 36592416720.

The previous prime is 40503563311. The next prime is 40503563323. The reversal of 40503563321 is 12336530504.

40503563321 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 40503563321 - 2³⁴ = 23323694137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40503563323) 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, 33144695 + ... + 33145916.

It is an arithmetic number, because the mean of its divisors is an integer number (5568411408).

Almost surely, 2^40503563321 is an apocalyptic number.

It is an amenable number.

40503563321 is a deficient number, since it is larger than the sum of its proper divisors (4043727943).

40503563321 is a wasteful number, since it uses less digits than its factorization.

40503563321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66290671.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 40503563321 in words is "forty billion, five hundred three million, five hundred sixty-three thousand, three hundred twenty-one".