40065682923840 has 1792 divisors, whose sum is σ = 160268808093696. Its totient is φ = 8280553881600.

The previous prime is 40065682923787. The next prime is 40065682923857. The reversal of 40065682923840 is 4832928656004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 43979892985 + ... + 43979893895.

Almost surely, 2^{40065682923840} is an apocalyptic number.

40065682923840 is a gapful number since it is divisible by the number (40) 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 40065682923840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80134404046848).

40065682923840 is an abundant number, since it is smaller than the sum of its proper divisors (120203125169856).

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

40065682923840 is a wasteful number, since it uses less digits than its factorization.

40065682923840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 40065682923840 in words is "forty trillion, sixty-five billion, six hundred eighty-two million, nine hundred twenty-three thousand, eight hundred forty".