40221341043401 has 4 divisors (see below), whose sum is σ = 45967246906752. Its totient is φ = 34475435180052.

The previous prime is 40221341043397. The next prime is 40221341043409. The reversal of 40221341043401 is 10434014312204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40221341043401 - 2² = 40221341043397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40221341043409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872952931665 + ... + 2872952931678.

It is an arithmetic number, because the mean of its divisors is an integer number (11491811726688).

Almost surely, 2^{40221341043401} is an apocalyptic number.

It is an amenable number.

40221341043401 is a deficient number, since it is larger than the sum of its proper divisors (5745905863351).

40221341043401 is an equidigital number, since it uses as much as digits as its factorization.

40221341043401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745905863350.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 40221341043401 its reverse (10434014312204), we get a palindrome (50655355355605).

The spelling of 40221341043401 in words is "forty trillion, two hundred twenty-one billion, three hundred forty-one million, forty-three thousand, four hundred one".