49446983808 has 384 divisors, whose sum is σ = 155008339200. Its totient is φ = 15078389760.

The previous prime is 49446983801. The next prime is 49446983809. The reversal of 49446983808 is 80838964494.

49446983808 is a `hidden beast` number, since 4 + 94 + 469 + 8 + 3 + 80 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×49446983808² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49446983801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100706443 + ... + 100706933.

It is an arithmetic number, because the mean of its divisors is an integer number (403667550).

Almost surely, 2^49446983808 is an apocalyptic number.

49446983808 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 49446983808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77504169600).

49446983808 is an abundant number, since it is smaller than the sum of its proper divisors (105561355392).

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

49446983808 is a wasteful number, since it uses less digits than its factorization.

49446983808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 49446983808 in words is "forty-nine billion, four hundred forty-six million, nine hundred eighty-three thousand, eight hundred eight".