49449408 has 112 divisors (see below), whose sum is σ = 138257280. Its totient is φ = 15576064.

The previous prime is 49449401. The next prime is 49449443. The reversal of 49449408 is 80494494.

It is a self number, because there is not a number n which added to its sum of digits gives 49449408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49449401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462091 + ... + 462197.

It is an arithmetic number, because the mean of its divisors is an integer number (1234440).

Almost surely, 2^49449408 is an apocalyptic number.

49449408 is a gapful number since it is divisible by the number (48) 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 49449408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69128640).

49449408 is an abundant number, since it is smaller than the sum of its proper divisors (88807872).

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

49449408 is a wasteful number, since it uses less digits than its factorization.

49449408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 49449408 is about 7032.0273037013. The cubic root of 49449408 is about 367.0458901155.

The spelling of 49449408 in words is "forty-nine million, four hundred forty-nine thousand, four hundred eight".