40685980959936 has 336 divisors, whose sum is σ = 134694055772640. Its totient is φ = 11636107591680.

The previous prime is 40685980959857. The next prime is 40685980959961. The reversal of 40685980959936 is 63995908958604.

40685980959936 is a `hidden beast` number, since 406 + 8 + 5 + 9 + 8 + 0 + 95 + 99 + 36 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4842556 + ... + 10238276.

It is an arithmetic number, because the mean of its divisors is an integer number (400875165990).

Almost surely, 2^{40685980959936} 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 40685980959936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67347027886320).

40685980959936 is an abundant number, since it is smaller than the sum of its proper divisors (94008074812704).

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

40685980959936 is a wasteful number, since it uses less digits than its factorization.

40685980959936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395824 (or 5395811 counting only the distinct ones).

The product of its (nonzero) digits is 4534963200, while the sum is 81.

The spelling of 40685980959936 in words is "forty trillion, six hundred eighty-five billion, nine hundred eighty million, nine hundred fifty-nine thousand, nine hundred thirty-six".