49911806880 has 768 divisors, whose sum is σ = 207947658240. Its totient is φ = 11055661056.

The previous prime is 49911806873. The next prime is 49911806887. The reversal of 49911806880 is 8860811994.

49911806880 is a `hidden beast` number, since 499 + 1 + 18 + 0 + 68 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (49911806873) and next prime (49911806887).

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

It is not an unprimeable number, because it can be changed into a prime (49911806887) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21957424 + ... + 21959696.

It is an arithmetic number, because the mean of its divisors is an integer number (270765180).

Almost surely, 2^49911806880 is an apocalyptic number.

49911806880 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 49911806880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103973829120).

49911806880 is an abundant number, since it is smaller than the sum of its proper divisors (158035851360).

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

49911806880 is a wasteful number, since it uses less digits than its factorization.

49911806880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350 (or 2336 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The spelling of 49911806880 in words is "forty-nine billion, nine hundred eleven million, eight hundred six thousand, eight hundred eighty".