40420011 has 8 divisors (see below), whose sum is σ = 56729920. Its totient is φ = 25528392.

The previous prime is 40420007. The next prime is 40420013. The reversal of 40420011 is 11002404.

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

It is not a de Polignac number, because 40420011 - 2² = 40420007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40420013) 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, 354505 + ... + 354618.

It is an arithmetic number, because the mean of its divisors is an integer number (7091240).

Almost surely, 2^40420011 is an apocalyptic number.

40420011 is a deficient number, since it is larger than the sum of its proper divisors (16309909).

40420011 is a wasteful number, since it uses less digits than its factorization.

40420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709145.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40420011 is about 6357.6733951973. The cubic root of 40420011 is about 343.1880384576.

Adding to 40420011 its reverse (11002404), we get a palindrome (51422415).

The spelling of 40420011 in words is "forty million, four hundred twenty thousand, eleven".