49578375168 has 144 divisors (see below), whose sum is σ = 163647797040. Its totient is φ = 14165213184.

The previous prime is 49578375061. The next prime is 49578375199. The reversal of 49578375168 is 86157387594.

49578375168 is a `hidden beast` number, since 4 + 9 + 578 + 3 + 7 + 51 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63105 + ... + 321152.

It is an arithmetic number, because the mean of its divisors is an integer number (1136443035).

Almost surely, 2^49578375168 is an apocalyptic number.

49578375168 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 49578375168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81823898520).

49578375168 is an abundant number, since it is smaller than the sum of its proper divisors (114069421872).

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

49578375168 is a wasteful number, since it uses less digits than its factorization.

49578375168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384292 (or 384269 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The spelling of 49578375168 in words is "forty-nine billion, five hundred seventy-eight million, three hundred seventy-five thousand, one hundred sixty-eight".