210240553043 has 4 divisors (see below), whose sum is σ = 210265682760. Its totient is φ = 210215423328.

The previous prime is 210240553037. The next prime is 210240553057. The reversal of 210240553043 is 340355042012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210240553043 - 2⁸ = 210240552787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210240552997 and 210240553015.

It is not an unprimeable number, because it can be changed into a prime (210240553093) 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, 12552305 + ... + 12569042.

It is an arithmetic number, because the mean of its divisors is an integer number (52566420690).

Almost surely, 2^210240553043 is an apocalyptic number.

210240553043 is a deficient number, since it is larger than the sum of its proper divisors (25129717).

210240553043 is an equidigital number, since it uses as much as digits as its factorization.

210240553043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25129716.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 210240553043 its reverse (340355042012), we get a palindrome (550595595055).

The spelling of 210240553043 in words is "two hundred ten billion, two hundred forty million, five hundred fifty-three thousand, forty-three".