41989779 has 64 divisors (see below), whose sum is σ = 73543680. Its totient is φ = 23431680.

The previous prime is 41989763. The next prime is 41989793. The reversal of 41989779 is 97798914.

It is not a de Polignac number, because 41989779 - 2⁴ = 41989763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41989799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184864 + ... + 185090.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^41989779 is an apocalyptic number.

41989779 is a deficient number, since it is larger than the sum of its proper divisors (31553901).

41989779 is a wasteful number, since it uses less digits than its factorization.

41989779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 291 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 54.

The square root of 41989779 is about 6479.9520831562. The cubic root of 41989779 is about 347.5744650039.

The spelling of 41989779 in words is "forty-one million, nine hundred eighty-nine thousand, seven hundred seventy-nine".