211410040 has 16 divisors (see below), whose sum is σ = 475672680. Its totient is φ = 84564000.

The previous prime is 211410013. The next prime is 211410053. The reversal of 211410040 is 40014112.

It is a self number, because there is not a number n which added to its sum of digits gives 211410040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642586 + ... + 2642665.

Almost surely, 2^211410040 is an apocalyptic number.

211410040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211410040 is an abundant number, since it is smaller than the sum of its proper divisors (264262640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211410040 is a wasteful number, since it uses less digits than its factorization.

211410040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285262 (or 5285258 counting only the distinct ones).

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

The square root of 211410040 is about 14539.9463547841. The cubic root of 211410040 is about 595.7195728936.

Adding to 211410040 its reverse (40014112), we get a palindrome (251424152).

The spelling of 211410040 in words is "two hundred eleven million, four hundred ten thousand, forty".