1789840009340 has 24 divisors (see below), whose sum is σ = 3788259804672. Its totient is φ = 710298711360.

The previous prime is 1789840009313. The next prime is 1789840009387. The reversal of 1789840009340 is 439000489871.

It is a super-2 number, since 2×1789840009340² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352328171 + ... + 352333250.

It is an arithmetic number, because the mean of its divisors is an integer number (157844158528).

Almost surely, 2^{1789840009340} is an apocalyptic number.

1789840009340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1789840009340 is an abundant number, since it is smaller than the sum of its proper divisors (1998419795332).

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

1789840009340 is a wasteful number, since it uses less digits than its factorization.

1789840009340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704661557 (or 704661555 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 1789840009340 in words is "one trillion, seven hundred eighty-nine billion, eight hundred forty million, nine thousand, three hundred forty".