42401211 has 16 divisors (see below), whose sum is σ = 58917888. Its totient is φ = 27093600.

The previous prime is 42401209. The next prime is 42401231. The reversal of 42401211 is 11210424.

It is not a de Polignac number, because 42401211 - 2¹ = 42401209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42401201) by changing a digit.

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, 7821 + ... + 12081.

It is an arithmetic number, because the mean of its divisors is an integer number (3682368).

Almost surely, 2^42401211 is an apocalyptic number.

42401211 is a deficient number, since it is larger than the sum of its proper divisors (16516677).

42401211 is a wasteful number, since it uses less digits than its factorization.

42401211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 42401211 is about 6511.6212266992. The cubic root of 42401211 is about 348.7060000245.

Adding to 42401211 its reverse (11210424), we get a palindrome (53611635).

The spelling of 42401211 in words is "forty-two million, four hundred one thousand, two hundred eleven".