50398654320 has 480 divisors, whose sum is σ = 205294003200. Its totient is φ = 10830606336.

The previous prime is 50398654301. The next prime is 50398654321. The reversal of 50398654320 is 2345689305.

50398654320 is a `hidden beast` number, since 5 + 0 + 3 + 9 + 86 + 543 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50398654321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6835596 + ... + 6842964.

It is an arithmetic number, because the mean of its divisors is an integer number (427695840).

Almost surely, 2^50398654320 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 50398654320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102647001600).

50398654320 is an abundant number, since it is smaller than the sum of its proper divisors (154895348880).

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

50398654320 is a wasteful number, since it uses less digits than its factorization.

50398654320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7477 (or 7468 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 50398654320 in words is "fifty billion, three hundred ninety-eight million, six hundred fifty-four thousand, three hundred twenty".