41221663563544 has 64 divisors (see below), whose sum is σ = 83863197836640. Its totient is φ = 18922407229440.

The previous prime is 41221663563529. The next prime is 41221663563599. The reversal of 41221663563544 is 44536536612214.

It is a super-2 number, since 2×41221663563544² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41221663563491 and 41221663563500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15281562 + ... + 17775529.

Almost surely, 2^{41221663563544} is an apocalyptic number.

It is an amenable number.

41221663563544 is an abundant number, since it is smaller than the sum of its proper divisors (42641534273096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41221663563544 is a wasteful number, since it uses less digits than its factorization.

41221663563544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33057340 (or 33057336 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 52.

The spelling of 41221663563544 in words is "forty-one trillion, two hundred twenty-one billion, six hundred sixty-three million, five hundred sixty-three thousand, five hundred forty-four".