41277478221 has 24 divisors (see below), whose sum is σ = 68266608384. Its totient is φ = 23543511840.

The previous prime is 41277478219. The next prime is 41277478279. The reversal of 41277478221 is 12287477214.

41277478221 is a `hidden beast` number, since 412 + 7 + 7 + 4 + 7 + 8 + 221 = 666.

It is not a de Polignac number, because 41277478221 - 2¹ = 41277478219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41277488221) 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, 571461 + ... + 639626.

It is an arithmetic number, because the mean of its divisors is an integer number (2844442016).

Almost surely, 2^41277478221 is an apocalyptic number.

It is an amenable number.

41277478221 is a deficient number, since it is larger than the sum of its proper divisors (26989130163).

41277478221 is a wasteful number, since it uses less digits than its factorization.

41277478221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211641 (or 1211638 counting only the distinct ones).

The product of its digits is 351232, while the sum is 45.

The spelling of 41277478221 in words is "forty-one billion, two hundred seventy-seven million, four hundred seventy-eight thousand, two hundred twenty-one".