1999462422048 has 864 divisors, whose sum is σ = 6914935319040. Its totient is φ = 503860331520.

The previous prime is 1999462422029. The next prime is 1999462422049. The reversal of 1999462422048 is 8402242649991.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1999462421982 and 1999462422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999462422049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 25309650873 + ... + 25309650951.

It is an arithmetic number, because the mean of its divisors is an integer number (8003397360).

Almost surely, 2^{1999462422048} 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 1999462422048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3457467659520).

1999462422048 is an abundant number, since it is smaller than the sum of its proper divisors (4915472896992).

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

1999462422048 is an equidigital number, since it uses as much as digits as its factorization.

1999462422048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 1999462422048 in words is "one trillion, nine hundred ninety-nine billion, four hundred sixty-two million, four hundred twenty-two thousand, forty-eight".