40999999999805 has 48 divisors (see below), whose sum is σ = 63798667226112. Its totient is φ = 24733975622400.

The previous prime is 40999999999733. The next prime is 40999999999831. The reversal of 40999999999805 is 50899999999904.

It is not a de Polignac number, because 40999999999805 - 2¹² = 40999999995709 is a prime.

It is a congruent number.

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, 156017552 + ... + 156280121.

It is an arithmetic number, because the mean of its divisors is an integer number (1329138900544).

Almost surely, 2^{40999999999805} is an apocalyptic number.

It is an amenable number.

40999999999805 is a deficient number, since it is larger than the sum of its proper divisors (22798667226307).

40999999999805 is a wasteful number, since it uses less digits than its factorization.

40999999999805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312297738 (or 312297727 counting only the distinct ones).

The product of its (nonzero) digits is 61987278240, while the sum is 98.

Subtracting 40999999999805 from its reverse (50899999999904), we obtain a palindrome (9900000000099).

The spelling of 40999999999805 in words is "forty trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred five".