40221243254403 has 8 divisors (see below), whose sum is σ = 59587027043600. Its totient is φ = 26814162169584.

The previous prime is 40221243254359. The next prime is 40221243254407. The reversal of 40221243254403 is 30445234212204.

40221243254403 is a `hidden beast` number, since 4 + 0 + 2 + 2 + 1 + 243 + 2 + 5 + 4 + 403 = 666.

It is not a de Polignac number, because 40221243254403 - 2⁸ = 40221243254147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40221243254407) 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, 744837838018 + ... + 744837838071.

It is an arithmetic number, because the mean of its divisors is an integer number (7448378380450).

Almost surely, 2^{40221243254403} is an apocalyptic number.

40221243254403 is a deficient number, since it is larger than the sum of its proper divisors (19365783789197).

40221243254403 is a wasteful number, since it uses less digits than its factorization.

40221243254403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489675676098 (or 1489675676092 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 40221243254403 its reverse (30445234212204), we get a palindrome (70666477466607).

The spelling of 40221243254403 in words is "forty trillion, two hundred twenty-one billion, two hundred forty-three million, two hundred fifty-four thousand, four hundred three".