1785234990000 has 800 divisors, whose sum is σ = 7215978147840. Its totient is φ = 369360000000.

The previous prime is 1785234989999. The next prime is 1785234990067. The reversal of 1785234990000 is 994325871.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 579808461 + ... + 579811539.

Almost surely, 2^{1785234990000} is an apocalyptic number.

1785234990000 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 1785234990000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3607989073920).

1785234990000 is an abundant number, since it is smaller than the sum of its proper divisors (5430743157840).

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

1785234990000 is a wasteful number, since it uses less digits than its factorization.

1785234990000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 1785234990000 in words is "one trillion, seven hundred eighty-five billion, two hundred thirty-four million, nine hundred ninety thousand".