49548706128 has 80 divisors (see below), whose sum is σ = 142581876160. Its totient is φ = 16474575744.

The previous prime is 49548706121. The next prime is 49548706139. The reversal of 49548706128 is 82160784594.

It is a happy number.

49548706128 is a `hidden beast` number, since 4 + 9 + 548 + 70 + 6 + 1 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49548706121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27051 + ... + 315957.

It is an arithmetic number, because the mean of its divisors is an integer number (1782273452).

Almost surely, 2^49548706128 is an apocalyptic number.

49548706128 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 49548706128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71290938080).

49548706128 is an abundant number, since it is smaller than the sum of its proper divisors (93033170032).

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

49548706128 is a wasteful number, since it uses less digits than its factorization.

49548706128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289321 (or 289309 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 49548706128 in words is "forty-nine billion, five hundred forty-eight million, seven hundred six thousand, one hundred twenty-eight".