49416661500 has 192 divisors, whose sum is σ = 150729126912. Its totient is φ = 12556896000.

The previous prime is 49416661417. The next prime is 49416661513. The reversal of 49416661500 is 516661494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9553915 + ... + 9559085.

It is an arithmetic number, because the mean of its divisors is an integer number (785047536).

Almost surely, 2^49416661500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49416661500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75364563456).

49416661500 is an abundant number, since it is smaller than the sum of its proper divisors (101312465412).

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

49416661500 is a wasteful number, since it uses less digits than its factorization.

49416661500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 49416661500 in words is "forty-nine billion, four hundred sixteen million, six hundred sixty-one thousand, five hundred".