49389360 has 80 divisors (see below), whose sum is σ = 161180160. Its totient is φ = 12476160.

The previous prime is 49389359. The next prime is 49389383. The reversal of 49389360 is 6398394.

It is a tau number, because it is divible by the number of its divisors (80).

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, 856 + ... + 9975.

It is an arithmetic number, because the mean of its divisors is an integer number (2014752).

Almost surely, 2^49389360 is an apocalyptic number.

49389360 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 49389360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80590080).

49389360 is an abundant number, since it is smaller than the sum of its proper divisors (111790800).

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

49389360 is a wasteful number, since it uses less digits than its factorization.

49389360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866 (or 10860 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 49389360 is about 7027.7563987378. The cubic root of 49389360 is about 366.8972580761.

The spelling of 49389360 in words is "forty-nine million, three hundred eighty-nine thousand, three hundred sixty".