1896942893472 has 144 divisors (see below), whose sum is σ = 5900365205280. Its totient is φ = 573314112000.

The previous prime is 1896942893393. The next prime is 1896942893537. The reversal of 1896942893472 is 2743982496981.

1896942893472 is a `hidden beast` number, since 1 + 8 + 9 + 69 + 4 + 2 + 8 + 93 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1896942893472.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410722 + ... + 1990622.

It is an arithmetic number, because the mean of its divisors is an integer number (40974758370).

Almost surely, 2^{1896942893472} is an apocalyptic number.

1896942893472 is a gapful number since it is divisible by the number (12) 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 1896942893472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2950182602640).

1896942893472 is an abundant number, since it is smaller than the sum of its proper divisors (4003422311808).

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

1896942893472 is a wasteful number, since it uses less digits than its factorization.

1896942893472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580307 (or 1580296 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 1896942893472 in words is "one trillion, eight hundred ninety-six billion, nine hundred forty-two million, eight hundred ninety-three thousand, four hundred seventy-two".