41550044021 has 4 divisors (see below), whose sum is σ = 41557360992. Its totient is φ = 41542727052.

The previous prime is 41550043979. The next prime is 41550044033. The reversal of 41550044021 is 12044005514.

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 41550044021 - 2¹⁰ = 41550042997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41550044051) 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, 3649961 + ... + 3661326.

It is an arithmetic number, because the mean of its divisors is an integer number (10389340248).

Almost surely, 2^41550044021 is an apocalyptic number.

It is an amenable number.

41550044021 is a deficient number, since it is larger than the sum of its proper divisors (7316971).

41550044021 is an equidigital number, since it uses as much as digits as its factorization.

41550044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316970.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 41550044021 its reverse (12044005514), we get a palindrome (53594049535).

The spelling of 41550044021 in words is "forty-one billion, five hundred fifty million, forty-four thousand, twenty-one".