40042203215 has 16 divisors (see below), whose sum is σ = 55091612160. Its totient is φ = 27369215520.

The previous prime is 40042203199. The next prime is 40042203283. The reversal of 40042203215 is 51230224004.

It is a happy number.

It is not a de Polignac number, because 40042203215 - 2⁴ = 40042203199 is a prime.

It is a super-2 number, since 2×40042203215² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1828445 + ... + 1850214.

It is an arithmetic number, because the mean of its divisors is an integer number (3443225760).

Almost surely, 2^40042203215 is an apocalyptic number.

40042203215 is a deficient number, since it is larger than the sum of its proper divisors (15049408945).

40042203215 is a wasteful number, since it uses less digits than its factorization.

40042203215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678982.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 40042203215 its reverse (51230224004), we get a palindrome (91272427219).

The spelling of 40042203215 in words is "forty billion, forty-two million, two hundred three thousand, two hundred fifteen".