40990842807 has 16 divisors (see below), whose sum is σ = 55098869760. Its totient is φ = 27105228800.

The previous prime is 40990842803. The next prime is 40990842853. The reversal of 40990842807 is 70824809904.

It is a cyclic number.

It is not a de Polignac number, because 40990842807 - 2² = 40990842803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40990842807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40990842803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804919 + ... + 854327.

It is an arithmetic number, because the mean of its divisors is an integer number (3443679360).

Almost surely, 2^40990842807 is an apocalyptic number.

40990842807 is a deficient number, since it is larger than the sum of its proper divisors (14108026953).

40990842807 is a wasteful number, since it uses less digits than its factorization.

40990842807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51654.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 40990842807 in words is "forty billion, nine hundred ninety million, eight hundred forty-two thousand, eight hundred seven".