421040011 has 8 divisors (see below), whose sum is σ = 487966464. Its totient is φ = 355808040.

The previous prime is 421039991. The next prime is 421040017. The reversal of 421040011 is 110040124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421040011 - 2⁵ = 421039979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421039973 and 421040000.

It is not an unprimeable number, because it can be changed into a prime (421040017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423085 + ... + 424078.

It is an arithmetic number, because the mean of its divisors is an integer number (60995808).

Almost surely, 2^421040011 is an apocalyptic number.

421040011 is a deficient number, since it is larger than the sum of its proper divisors (66926453).

421040011 is an equidigital number, since it uses as much as digits as its factorization.

421040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847241.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 421040011 is about 20519.2595139298. The cubic root of 421040011 is about 749.5048648973.

Adding to 421040011 its reverse (110040124), we get a palindrome (531080135).

The spelling of 421040011 in words is "four hundred twenty-one million, forty thousand, eleven".