210400041 has 16 divisors (see below), whose sum is σ = 301909248. Its totient is φ = 129849600.

The previous prime is 210400039. The next prime is 210400049. The reversal of 210400041 is 140004012.

It is not a de Polignac number, because 210400041 - 2¹ = 210400039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210400049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30705 + ... + 36926.

It is an arithmetic number, because the mean of its divisors is an integer number (18869328).

Almost surely, 2^210400041 is an apocalyptic number.

It is an amenable number.

210400041 is a deficient number, since it is larger than the sum of its proper divisors (91509207).

210400041 is a wasteful number, since it uses less digits than its factorization.

210400041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67712.

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

The square root of 210400041 is about 14505.1729048640. The cubic root of 210400041 is about 594.7693864193.

Adding to 210400041 its reverse (140004012), we get a palindrome (350404053).

The spelling of 210400041 in words is "two hundred ten million, four hundred thousand, forty-one".