41545221644 has 24 divisors (see below), whose sum is σ = 72919947408. Its totient is φ = 20711001600.

The previous prime is 41545221643. The next prime is 41545221661. The reversal of 41545221644 is 44612254514.

It is a junction number, because it is equal to n+sod(n) for n = 41545221598 and 41545221607.

It is not an unprimeable number, because it can be changed into a prime (41545221643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346879 + ... + 4356425.

It is an arithmetic number, because the mean of its divisors is an integer number (3038331142).

Almost surely, 2^41545221644 is an apocalyptic number.

It is an amenable number.

41545221644 is a deficient number, since it is larger than the sum of its proper divisors (31374725764).

41545221644 is a wasteful number, since it uses less digits than its factorization.

41545221644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12665 (or 12663 counting only the distinct ones).

The product of its digits is 153600, while the sum is 38.

The spelling of 41545221644 in words is "forty-one billion, five hundred forty-five million, two hundred twenty-one thousand, six hundred forty-four".