49840160 has 48 divisors (see below), whose sum is σ = 118466712. Its totient is φ = 19814400.

The previous prime is 49840159. The next prime is 49840169. The reversal of 49840160 is 6104894.

It can be written as a sum of positive squares in 4 ways, for example, as 30162064 + 19678096 = 5492^2 + 4436^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (49840169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28100 + ... + 29820.

Almost surely, 2^49840160 is an apocalyptic number.

49840160 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 49840160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59233356).

49840160 is an abundant number, since it is smaller than the sum of its proper divisors (68626552).

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

49840160 is a wasteful number, since it uses less digits than its factorization.

49840160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 49840160 is about 7059.7563697340. The cubic root of 49840160 is about 368.0101604000.

The spelling of 49840160 in words is "forty-nine million, eight hundred forty thousand, one hundred sixty".