40219995 has 16 divisors (see below), whose sum is σ = 64431360. Its totient is φ = 21424224.

The previous prime is 40219987. The next prime is 40219997. The reversal of 40219995 is 59991204.

It is not a de Polignac number, because 40219995 - 2³ = 40219987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40219997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20466 + ... + 22344.

It is an arithmetic number, because the mean of its divisors is an integer number (4026960).

Almost surely, 2^40219995 is an apocalyptic number.

40219995 is a deficient number, since it is larger than the sum of its proper divisors (24211365).

40219995 is a wasteful number, since it uses less digits than its factorization.

40219995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 40219995 is about 6341.9236040810. The cubic root of 40219995 is about 342.6210203337.

It can be divided in two parts, 40219 and 995, that added together give a palindrome (41214).

The spelling of 40219995 in words is "forty million, two hundred nineteen thousand, nine hundred ninety-five".