40839888809776 has 80 divisors (see below), whose sum is σ = 90686195712000. Its totient is φ = 17453471157504.

The previous prime is 40839888809711. The next prime is 40839888809777. The reversal of 40839888809776 is 67790888893804.

It is a junction number, because it is equal to n+sod(n) for n = 40839888809693 and 40839888809702.

It is not an unprimeable number, because it can be changed into a prime (40839888809777) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 210908650 + ... + 211102198.

It is an arithmetic number, because the mean of its divisors is an integer number (1133577446400).

Almost surely, 2^{40839888809776} is an apocalyptic number.

It is an amenable number.

40839888809776 is an abundant number, since it is smaller than the sum of its proper divisors (49846306902224).

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

40839888809776 is a wasteful number, since it uses less digits than its factorization.

40839888809776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198866 (or 198860 counting only the distinct ones).

The product of its (nonzero) digits is 9364045824, while the sum is 85.

The spelling of 40839888809776 in words is "forty trillion, eight hundred thirty-nine billion, eight hundred eighty-eight million, eight hundred nine thousand, seven hundred seventy-six".