210260442 has 32 divisors (see below), whose sum is σ = 481041792. Its totient is φ = 60018624.

The previous prime is 210260431. The next prime is 210260447. The reversal of 210260442 is 244062012.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (210260447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69628 + ... + 72584.

It is an arithmetic number, because the mean of its divisors is an integer number (15032556).

Almost surely, 2^210260442 is an apocalyptic number.

210260442 is an abundant number, since it is smaller than the sum of its proper divisors (270781350).

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

210260442 is a wasteful number, since it uses less digits than its factorization.

210260442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 210260442 is about 14500.3600644950. The cubic root of 210260442 is about 594.6378154984.

The spelling of 210260442 in words is "two hundred ten million, two hundred sixty thousand, four hundred forty-two".