1898322054720 has 1344 divisors, whose sum is σ = 7781488404480. Its totient is φ = 383577292800.

The previous prime is 1898322054709. The next prime is 1898322054743. The reversal of 1898322054720 is 274502238981.

It is a tau number, because it is divible by the number of its divisors (1344).

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, 2747209575 + ... + 2747210265.

It is an arithmetic number, because the mean of its divisors is an integer number (5789797920).

Almost surely, 2^{1898322054720} is an apocalyptic number.

1898322054720 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 1898322054720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3890744202240).

1898322054720 is an abundant number, since it is smaller than the sum of its proper divisors (5883166349760).

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

1898322054720 is a wasteful number, since it uses less digits than its factorization.

1898322054720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 1898322054720 in words is "one trillion, eight hundred ninety-eight billion, three hundred twenty-two million, fifty-four thousand, seven hundred twenty".