10391773449420 has 576 divisors, whose sum is σ = 35583178176000. Its totient is φ = 2433299742720.

The previous prime is 10391773449403. The next prime is 10391773449443. The reversal of 10391773449420 is 2494437719301.

10391773449420 is a `hidden beast` number, since 1 + 0 + 3 + 9 + 177 + 3 + 4 + 49 + 420 = 666.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 3514294582 + ... + 3514297538.

It is an arithmetic number, because the mean of its divisors is an integer number (61776351000).

Almost surely, 2^{10391773449420} is an apocalyptic number.

10391773449420 is a gapful number since it is divisible by the number (10) 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 10391773449420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17791589088000).

10391773449420 is an abundant number, since it is smaller than the sum of its proper divisors (25191404726580).

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

10391773449420 is a wasteful number, since it uses less digits than its factorization.

10391773449420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 10391773449420 in words is "ten trillion, three hundred ninety-one billion, seven hundred seventy-three million, four hundred forty-nine thousand, four hundred twenty".