49985280 has 108 divisors (see below), whose sum is σ = 172983720. Its totient is φ = 13326336.

The previous prime is 49985269. The next prime is 49985281. The reversal of 49985280 is 8258994.

49985280 is a `hidden beast` number, since 499 + 85 + 2 + 80 = 666.

49985280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49985281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9351 + ... + 13689.

Almost surely, 2^49985280 is an apocalyptic number.

49985280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49985280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86491860).

49985280 is an abundant number, since it is smaller than the sum of its proper divisors (122998440).

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

49985280 is a wasteful number, since it uses less digits than its factorization.

49985280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 49985280 is about 7070.0268740649. The cubic root of 49985280 is about 368.3669936866.

The spelling of 49985280 in words is "forty-nine million, nine hundred eighty-five thousand, two hundred eighty".