49899619320 has 256 divisors, whose sum is σ = 156505219200. Its totient is φ = 12716605440.

The previous prime is 49899619271. The next prime is 49899619327. The reversal of 49899619320 is 2391699894.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49899619327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77846200 + ... + 77846840.

Almost surely, 2^49899619320 is an apocalyptic number.

49899619320 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 49899619320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78252609600).

49899619320 is an abundant number, since it is smaller than the sum of its proper divisors (106605599880).

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

49899619320 is a wasteful number, since it uses less digits than its factorization.

49899619320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 60.

The spelling of 49899619320 in words is "forty-nine billion, eight hundred ninety-nine million, six hundred nineteen thousand, three hundred twenty".