40421415211 has 4 divisors (see below), whose sum is σ = 41084061424. Its totient is φ = 39758769000.

The previous prime is 40421415193. The next prime is 40421415239. The reversal of 40421415211 is 11251412404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40421415211 - 2⁵ = 40421415179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40421415511) 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 3 ways as a sum of consecutive naturals, for example, 331323015 + ... + 331323136.

It is an arithmetic number, because the mean of its divisors is an integer number (10271015356).

Almost surely, 2^40421415211 is an apocalyptic number.

40421415211 is a deficient number, since it is larger than the sum of its proper divisors (662646213).

40421415211 is an equidigital number, since it uses as much as digits as its factorization.

40421415211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662646212.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 40421415211 its reverse (11251412404), we get a palindrome (51672827615).

The spelling of 40421415211 in words is "forty billion, four hundred twenty-one million, four hundred fifteen thousand, two hundred eleven".