210242442 has 16 divisors (see below), whose sum is σ = 421700832. Its totient is φ = 69878160.

The previous prime is 210242419. The next prime is 210242497. The reversal of 210242442 is 244242012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48409 + ... + 52572.

It is an arithmetic number, because the mean of its divisors is an integer number (26356302).

Almost surely, 2^210242442 is an apocalyptic number.

210242442 is an abundant number, since it is smaller than the sum of its proper divisors (211458390).

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

210242442 is a wasteful number, since it uses less digits than its factorization.

210242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101333.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 210242442 is about 14499.7393769681. The cubic root of 210242442 is about 594.6208464068.

Adding to 210242442 its reverse (244242012), we get a palindrome (454484454).

It can be divided in two parts, 2102 and 42442, that added together give a palindrome (44544).

The spelling of 210242442 in words is "two hundred ten million, two hundred forty-two thousand, four hundred forty-two".