49844551680 has 768 divisors, whose sum is σ = 215919475200. Its totient is φ = 10333716480.

The previous prime is 49844551657. The next prime is 49844551699. The reversal of 49844551680 is 8615544894.

49844551680 is a `hidden beast` number, since 4 + 9 + 8 + 4 + 4 + 551 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113540901 + ... + 113541339.

It is an arithmetic number, because the mean of its divisors is an integer number (281145150).

Almost surely, 2^49844551680 is an apocalyptic number.

49844551680 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 49844551680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107959737600).

49844551680 is an abundant number, since it is smaller than the sum of its proper divisors (166074923520).

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

49844551680 is a wasteful number, since it uses less digits than its factorization.

49844551680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 49844551680 in words is "forty-nine billion, eight hundred forty-four million, five hundred fifty-one thousand, six hundred eighty".