49548189888 has 336 divisors, whose sum is σ = 154943312160. Its totient is φ = 15676416000.

The previous prime is 49548189833. The next prime is 49548189893. The reversal of 49548189888 is 88898184594.

49548189888 is a `hidden beast` number, since 495 + 48 + 1 + 8 + 98 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 27510588 + ... + 27512388.

It is an arithmetic number, because the mean of its divisors is an integer number (461140810).

Almost surely, 2^49548189888 is an apocalyptic number.

49548189888 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 49548189888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77471656080).

49548189888 is an abundant number, since it is smaller than the sum of its proper divisors (105395122272).

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

49548189888 is a wasteful number, since it uses less digits than its factorization.

49548189888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1896 counting only the distinct ones).

The product of its digits is 212336640, while the sum is 72.

The spelling of 49548189888 in words is "forty-nine billion, five hundred forty-eight million, one hundred eighty-nine thousand, eight hundred eighty-eight".