40320203001 has 16 divisors (see below), whose sum is σ = 57940249920. Its totient is φ = 24793329600.

The previous prime is 40320202981. The next prime is 40320203023. The reversal of 40320203001 is 10030202304.

It is not a de Polignac number, because 40320203001 - 2²² = 40316008697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40320203701) 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 15 ways as a sum of consecutive naturals, for example, 346591 + ... + 448068.

It is an arithmetic number, because the mean of its divisors is an integer number (3621265620).

Almost surely, 2^40320203001 is an apocalyptic number.

It is an amenable number.

40320203001 is a deficient number, since it is larger than the sum of its proper divisors (17620046919).

40320203001 is a wasteful number, since it uses less digits than its factorization.

40320203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795976.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 40320203001 its reverse (10030202304), we get a palindrome (50350405305).

The spelling of 40320203001 in words is "forty billion, three hundred twenty million, two hundred three thousand, one".