49240 has 16 divisors (see below), whose sum is σ = 110880. Its totient is φ = 19680.

The previous prime is 49223. The next prime is 49253. The reversal of 49240 is 4294.

49240 is nontrivially palindromic in base 7.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (6930).

2⁴⁹²⁴⁰ is an apocalyptic number.

49240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49240 is an abundant number, since it is smaller than the sum of its proper divisors (61640).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55440).

49240 is a wasteful number, since it uses less digits than its factorization.

With its successor (49241) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1242).

49240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 49240 is about 221.9008787725. The cubic root of 49240 is about 36.6527035906.

It can be divided in two parts, 49 and 240, that added together give a square (289 = 17²).

The spelling of 49240 in words is "forty-nine thousand, two hundred forty".