41242213521 has 24 divisors (see below), whose sum is σ = 60587651904. Its totient is φ = 27026667360.

The previous prime is 41242213513. The next prime is 41242213531. The reversal of 41242213521 is 12531224214.

41242213521 is a `hidden beast` number, since 4 + 124 + 2 + 2 + 13 + 521 = 666.

It is not a de Polignac number, because 41242213521 - 2³ = 41242213513 is a prime.

It is a super-2 number, since 2×41242213521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41242213511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858870 + ... + 905616.

It is an arithmetic number, because the mean of its divisors is an integer number (2524485496).

Almost surely, 2^41242213521 is an apocalyptic number.

It is an amenable number.

41242213521 is a deficient number, since it is larger than the sum of its proper divisors (19345438383).

41242213521 is a wasteful number, since it uses less digits than its factorization.

41242213521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48421 (or 48418 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 41242213521 its reverse (12531224214), we get a palindrome (53773437735).

The spelling of 41242213521 in words is "forty-one billion, two hundred forty-two million, two hundred thirteen thousand, five hundred twenty-one".