49840109 has 8 divisors (see below), whose sum is σ = 54500160. Its totient is φ = 45201600.

The previous prime is 49840081. The next prime is 49840151. The reversal of 49840109 is 90104894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49840109 - 2¹² = 49836013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49840159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332 + ... + 9989.

It is an arithmetic number, because the mean of its divisors is an integer number (6812520).

Almost surely, 2^49840109 is an apocalyptic number.

It is an amenable number.

49840109 is a deficient number, since it is larger than the sum of its proper divisors (4660051).

49840109 is a wasteful number, since it uses less digits than its factorization.

49840109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 49840109 is about 7059.7527577104. The cubic root of 49840109 is about 368.0100348752.

The spelling of 49840109 in words is "forty-nine million, eight hundred forty thousand, one hundred nine".