40784573939696 has 80 divisors (see below), whose sum is σ = 84684467347200. Its totient is φ = 18959697767424.

The previous prime is 40784573939671. The next prime is 40784573939773. The reversal of 40784573939696 is 69693937548704.

It is a self number, because there is not a number n which added to its sum of digits gives 40784573939696.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253651295 + ... + 253812033.

It is an arithmetic number, because the mean of its divisors is an integer number (1058555841840).

Almost surely, 2^{40784573939696} 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 40784573939696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42342233673600).

40784573939696 is an abundant number, since it is smaller than the sum of its proper divisors (43899893407504).

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

40784573939696 is a wasteful number, since it uses less digits than its factorization.

40784573939696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172086 (or 172080 counting only the distinct ones).

The product of its (nonzero) digits is 7407106560, while the sum is 80.

The spelling of 40784573939696 in words is "forty trillion, seven hundred eighty-four billion, five hundred seventy-three million, nine hundred thirty-nine thousand, six hundred ninety-six".