49678944 has 144 divisors (see below), whose sum is σ = 155131200. Its totient is φ = 13875456.

The previous prime is 49678933. The next prime is 49678961. The reversal of 49678944 is 44987694.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 277447 + ... + 277625.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^49678944 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 49678944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77565600).

49678944 is an abundant number, since it is smaller than the sum of its proper divisors (105452256).

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

49678944 is a wasteful number, since it uses less digits than its factorization.

49678944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 250 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 49678944 is about 7048.3291637097. The cubic root of 49678944 is about 367.6129358119.

The spelling of 49678944 in words is "forty-nine million, six hundred seventy-eight thousand, nine hundred forty-four".