211050440 has 16 divisors (see below), whose sum is σ = 474863580. Its totient is φ = 84420160.

The previous prime is 211050431. The next prime is 211050443. The reversal of 211050440 is 44050112.

211050440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 207417604 + 3632836 = 14402^2 + 1906^2 .

It is not an unprimeable number, because it can be changed into a prime (211050443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638091 + ... + 2638170.

Almost surely, 2^211050440 is an apocalyptic number.

211050440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211050440 is an abundant number, since it is smaller than the sum of its proper divisors (263813140).

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

211050440 is a wasteful number, since it uses less digits than its factorization.

211050440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276272 (or 5276268 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 211050440 is about 14527.5751589864. The cubic root of 211050440 is about 595.3816161695.

The spelling of 211050440 in words is "two hundred eleven million, fifty thousand, four hundred forty".