49994646057720 has 768 divisors, whose sum is σ = 201182957015040. Its totient is φ = 10484987203584.

The previous prime is 49994646057679. The next prime is 49994646057731. The reversal of 49994646057720 is 2775064649994.

It is a happy number.

49994646057720 is a `hidden beast` number, since 4 + 9 + 9 + 9 + 4 + 6 + 4 + 605 + 7 + 7 + 2 + 0 = 666.

It is a Cunningham number, because it is equal to 36839³+1.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3751373697 + ... + 3751387023.

It is an arithmetic number, because the mean of its divisors is an integer number (261956975280).

Almost surely, 2^{49994646057720} is an apocalyptic number.

49994646057720 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 49994646057720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100591478507520).

49994646057720 is an abundant number, since it is smaller than the sum of its proper divisors (151188310957320).

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

49994646057720 is a wasteful number, since it uses less digits than its factorization.

49994646057720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14044 (or 14037 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 72.

The spelling of 49994646057720 in words is "forty-nine trillion, nine hundred ninety-four billion, six hundred forty-six million, fifty-seven thousand, seven hundred twenty".