2785194138496 has 576 divisors, whose sum is σ = 7509147282000. Its totient is φ = 1022381015040.

The previous prime is 2785194138469. The next prime is 2785194138533. The reversal of 2785194138496 is 6948314915872.

It is a super-2 number, since 2×2785194138496² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3359703010 + ... + 3359703838.

Almost surely, 2^{2785194138496} 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 2785194138496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3754573641000).

2785194138496 is an abundant number, since it is smaller than the sum of its proper divisors (4723953143504).

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

2785194138496 is a wasteful number, since it uses less digits than its factorization.

2785194138496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1101 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 67.

The spelling of 2785194138496 in words is "two trillion, seven hundred eighty-five billion, one hundred ninety-four million, one hundred thirty-eight thousand, four hundred ninety-six".