49906044160 has 144 divisors (see below), whose sum is σ = 137235926016. Its totient is φ = 17033232384.

The previous prime is 49906044151. The next prime is 49906044173. The reversal of 49906044160 is 6144060994.

It is a super-2 number, since 2×49906044160² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1985592 + ... + 2010568.

It is an arithmetic number, because the mean of its divisors is an integer number (953027264).

Almost surely, 2^49906044160 is an apocalyptic number.

49906044160 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 49906044160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68617963008).

49906044160 is an abundant number, since it is smaller than the sum of its proper divisors (87329881856).

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

49906044160 is a wasteful number, since it uses less digits than its factorization.

49906044160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25228 (or 25214 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 49906044160 in words is "forty-nine billion, nine hundred six million, forty-four thousand, one hundred sixty".