40278422877585 has 32 divisors (see below), whose sum is σ = 64721991928320. Its totient is φ = 21389672844288.

The previous prime is 40278422877551. The next prime is 40278422877593. The reversal of 40278422877585 is 58577822487204.

It is not a de Polignac number, because 40278422877585 - 2⁷ = 40278422877457 is a prime.

It is an unprimeable number.

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, 33455229 + ... + 34638261.

It is an arithmetic number, because the mean of its divisors is an integer number (2022562247760).

Almost surely, 2^{40278422877585} is an apocalyptic number.

It is an amenable number.

40278422877585 is a deficient number, since it is larger than the sum of its proper divisors (24443569050735).

40278422877585 is a wasteful number, since it uses less digits than its factorization.

40278422877585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192777.

The product of its (nonzero) digits is 561971200, while the sum is 69.

The spelling of 40278422877585 in words is "forty trillion, two hundred seventy-eight billion, four hundred twenty-two million, eight hundred seventy-seven thousand, five hundred eighty-five".