49447760 has 40 divisors (see below), whose sum is σ = 117421056. Its totient is φ = 19356800.

The previous prime is 49447757. The next prime is 49447771. The reversal of 49447760 is 6774494.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 2816 + ... + 10335.

Almost surely, 2^49447760 is an apocalyptic number.

49447760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49447760 is an abundant number, since it is smaller than the sum of its proper divisors (67973296).

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

49447760 is a wasteful number, since it uses less digits than its factorization.

49447760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13211 (or 13205 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 49447760 is about 7031.9101245679. The cubic root of 49447760 is about 367.0418125585.

The spelling of 49447760 in words is "forty-nine million, four hundred forty-seven thousand, seven hundred sixty".