1393922944050 has 384 divisors, whose sum is σ = 4325516482560. Its totient is φ = 289229875200.

The previous prime is 1393922944027. The next prime is 1393922944097. The reversal of 1393922944050 is 504492293931.

It is a junction number, because it is equal to n+sod(n) for n = 1393922943984 and 1393922944002.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 377652705 + ... + 377656395.

It is an arithmetic number, because the mean of its divisors is an integer number (11264365840).

Almost surely, 2^{1393922944050} is an apocalyptic number.

1393922944050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1393922944050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162758241280).

1393922944050 is an abundant number, since it is smaller than the sum of its proper divisors (2931593538510).

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

1393922944050 is a wasteful number, since it uses less digits than its factorization.

1393922944050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 1393922944050 in words is "one trillion, three hundred ninety-three billion, nine hundred twenty-two million, nine hundred forty-four thousand, fifty".