210042992 has 40 divisors (see below), whose sum is σ = 430686720. Its totient is φ = 99028160.

The previous prime is 210042979. The next prime is 210043013. The reversal of 210042992 is 299240012.

It is a congruent number.

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, 22109 + ... + 30147.

It is an arithmetic number, because the mean of its divisors is an integer number (10767168).

Almost surely, 2^210042992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210042992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215343360).

210042992 is an abundant number, since it is smaller than the sum of its proper divisors (220643728).

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

210042992 is a wasteful number, since it uses less digits than its factorization.

210042992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8141 (or 8135 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 210042992 is about 14492.8600352035. The cubic root of 210042992 is about 594.4327545868.

The spelling of 210042992 in words is "two hundred ten million, forty-two thousand, nine hundred ninety-two".