49728380 has 48 divisors (see below), whose sum is σ = 113159424. Its totient is φ = 18247680.

The previous prime is 49728379. The next prime is 49728389. The reversal of 49728380 is 8382794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49728389) 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 15 ways as a sum of consecutive naturals, for example, 49685 + ... + 50675.

It is an arithmetic number, because the mean of its divisors is an integer number (2357488).

Almost surely, 2^49728380 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 49728380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56579712).

49728380 is an abundant number, since it is smaller than the sum of its proper divisors (63431044).

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

49728380 is a wasteful number, since it uses less digits than its factorization.

49728380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 49728380 is about 7051.8352221248. The cubic root of 49728380 is about 367.7348337886.

The spelling of 49728380 in words is "forty-nine million, seven hundred twenty-eight thousand, three hundred eighty".