49841778 has 64 divisors (see below), whose sum is σ = 119070720. Its totient is φ = 13608000.

The previous prime is 49841747. The next prime is 49841797. The reversal of 49841778 is 87714894.

49841778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183783 + ... + 184053.

It is an arithmetic number, because the mean of its divisors is an integer number (1860480).

Almost surely, 2^49841778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49841778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59535360).

49841778 is an abundant number, since it is smaller than the sum of its proper divisors (69228942).

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

49841778 is a wasteful number, since it uses less digits than its factorization.

49841778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 451584, while the sum is 48.

The square root of 49841778 is about 7059.8709619936. The cubic root of 49841778 is about 368.0141426906.

The spelling of 49841778 in words is "forty-nine million, eight hundred forty-one thousand, seven hundred seventy-eight".