403220040985 has 16 divisors (see below), whose sum is σ = 485527052160. Its totient is φ = 321468174720.

The previous prime is 403220040959. The next prime is 403220040991. The reversal of 403220040985 is 589040022304.

It is a happy number.

It is not a de Polignac number, because 403220040985 - 2⁷ = 403220040857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4043556 + ... + 4142074.

It is an arithmetic number, because the mean of its divisors is an integer number (30345440760).

Almost surely, 2^403220040985 is an apocalyptic number.

It is an amenable number.

403220040985 is a deficient number, since it is larger than the sum of its proper divisors (82307011175).

403220040985 is a wasteful number, since it uses less digits than its factorization.

403220040985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101328.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 403220040985 in words is "four hundred three billion, two hundred twenty million, forty thousand, nine hundred eighty-five".