49805180 has 48 divisors (see below), whose sum is σ = 110769120. Its totient is φ = 18778368.

The previous prime is 49805179. The next prime is 49805191. The reversal of 49805180 is 8150894.

It is a self number, because there is not a number n which added to its sum of digits gives 49805180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23942 + ... + 25938.

It is an arithmetic number, because the mean of its divisors is an integer number (2307690).

Almost surely, 2^49805180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49805180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55384560).

49805180 is an abundant number, since it is smaller than the sum of its proper divisors (60963940).

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

49805180 is a wasteful number, since it uses less digits than its factorization.

49805180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2076 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 49805180 is about 7057.2785122879. The cubic root of 49805180 is about 367.9240450518.

The spelling of 49805180 in words is "forty-nine million, eight hundred five thousand, one hundred eighty".