6350781920 has 384 divisors, whose sum is σ = 19203609600. Its totient is φ = 1935360000.

The previous prime is 6350781917. The next prime is 6350781937. The reversal of 6350781920 is 291870536.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25301795 + ... + 25302045.

It is an arithmetic number, because the mean of its divisors is an integer number (50009400).

Almost surely, 2^6350781920 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 6350781920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9601804800).

6350781920 is an abundant number, since it is smaller than the sum of its proper divisors (12852827680).

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

6350781920 is a wasteful number, since it uses less digits than its factorization.

6350781920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 6350781920 is about 79691.7933039532. The cubic root of 6350781920 is about 1851.8639037801.

The spelling of 6350781920 in words is "six billion, three hundred fifty million, seven hundred eighty-one thousand, nine hundred twenty".