210440452 has 12 divisors (see below), whose sum is σ = 376835536. Its totient is φ = 102773160.

The previous prime is 210440449. The next prime is 210440453. The reversal of 210440452 is 254044012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210440453) 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, 611574 + ... + 611917.

Almost surely, 2^210440452 is an apocalyptic number.

It is an amenable number.

210440452 is a deficient number, since it is larger than the sum of its proper divisors (166395084).

210440452 is a wasteful number, since it uses less digits than its factorization.

210440452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223538 (or 1223536 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 210440452 is about 14506.5658237917. The cubic root of 210440452 is about 594.8074625954.

Adding to 210440452 its reverse (254044012), we get a palindrome (464484464).

The spelling of 210440452 in words is "two hundred ten million, four hundred forty thousand, four hundred fifty-two".