41221731616 has 48 divisors (see below), whose sum is σ = 88199911800. Its totient is φ = 18850848768.

The previous prime is 41221731589. The next prime is 41221731643. The reversal of 41221731616 is 61613712214.

It is an interprime number because it is at equal distance from previous prime (41221731589) and next prime (41221731643).

It can be written as a sum of positive squares in 4 ways, for example, as 32119808400 + 9101923216 = 179220^2 + 95404^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409201 + ... + 499888.

Almost surely, 2^41221731616 is an apocalyptic number.

It is an amenable number.

41221731616 is an abundant number, since it is smaller than the sum of its proper divisors (46978180184).

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

41221731616 is a wasteful number, since it uses less digits than its factorization.

41221731616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909221 (or 909213 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The spelling of 41221731616 in words is "forty-one billion, two hundred twenty-one million, seven hundred thirty-one thousand, six hundred sixteen".