40085099286890 has 64 divisors (see below), whose sum is σ = 83410402406400. Its totient is φ = 13585277054976.

The previous prime is 40085099286877. The next prime is 40085099286899. The reversal of 40085099286890 is 9868299058004.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40085099286890.

It is not an unprimeable number, because it can be changed into a prime (40085099286899) 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 31 ways as a sum of consecutive naturals, for example, 21644471 + ... + 23423349.

It is an arithmetic number, because the mean of its divisors is an integer number (1303287537600).

Almost surely, 2^{40085099286890} is an apocalyptic number.

40085099286890 is an abundant number, since it is smaller than the sum of its proper divisors (43325303119510).

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

40085099286890 is a wasteful number, since it uses less digits than its factorization.

40085099286890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782599.

The product of its (nonzero) digits is 89579520, while the sum is 68.

The spelling of 40085099286890 in words is "forty trillion, eighty-five billion, ninety-nine million, two hundred eighty-six thousand, eight hundred ninety".