49009730616 has 640 divisors, whose sum is σ = 177148684800. Its totient is φ = 12550507200.

The previous prime is 49009730599. The next prime is 49009730621. The reversal of 49009730616 is 61603790094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 690277861 + ... + 690277931.

It is an arithmetic number, because the mean of its divisors is an integer number (276794820).

Almost surely, 2^49009730616 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 49009730616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88574342400).

49009730616 is an abundant number, since it is smaller than the sum of its proper divisors (128138954184).

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

49009730616 is an equidigital number, since it uses as much as digits as its factorization.

49009730616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 49009730616 in words is "forty-nine billion, nine million, seven hundred thirty thousand, six hundred sixteen".