40221113145 has 8 divisors (see below), whose sum is σ = 64353781056. Its totient is φ = 21451260336.

The previous prime is 40221113137. The next prime is 40221113227. The reversal of 40221113145 is 54131112204.

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

It is not a de Polignac number, because 40221113145 - 2³ = 40221113137 is a prime.

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, 1340703757 + ... + 1340703786.

It is an arithmetic number, because the mean of its divisors is an integer number (8044222632).

Almost surely, 2^40221113145 is an apocalyptic number.

It is an amenable number.

40221113145 is a deficient number, since it is larger than the sum of its proper divisors (24132667911).

40221113145 is a wasteful number, since it uses less digits than its factorization.

40221113145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681407551.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 40221113145 its reverse (54131112204), we get a palindrome (94352225349).

The spelling of 40221113145 in words is "forty billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred forty-five".