40221321543003 has 8 divisors (see below), whose sum is σ = 53704068259600. Its totient is φ = 26776394594208.

The previous prime is 40221321542993. The next prime is 40221321543019. The reversal of 40221321543003 is 30034512312204.

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

It is not a de Polignac number, because 40221321543003 - 2⁶ = 40221321542939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40221321547003) 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, 9454939468 + ... + 9454943721.

It is an arithmetic number, because the mean of its divisors is an integer number (6713008532450).

Almost surely, 2^{40221321543003} is an apocalyptic number.

40221321543003 is a deficient number, since it is larger than the sum of its proper divisors (13482746716597).

40221321543003 is a wasteful number, since it uses less digits than its factorization.

40221321543003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18909883901.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 40221321543003 its reverse (30034512312204), we get a palindrome (70255833855207).

The spelling of 40221321543003 in words is "forty trillion, two hundred twenty-one billion, three hundred twenty-one million, five hundred forty-three thousand, three".