210452140 has 24 divisors (see below), whose sum is σ = 443534112. Its totient is φ = 83879040.

The previous prime is 210452131. The next prime is 210452141. The reversal of 210452140 is 41254012.

It is not an unprimeable number, because it can be changed into a prime (210452141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13104 + ... + 24343.

It is an arithmetic number, because the mean of its divisors is an integer number (18480588).

Almost surely, 2^210452140 is an apocalyptic number.

210452140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210452140 is an abundant number, since it is smaller than the sum of its proper divisors (233081972).

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

210452140 is a wasteful number, since it uses less digits than its factorization.

210452140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37737 (or 37735 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 210452140 is about 14506.9686702633. The cubic root of 210452140 is about 594.8184743897.

The spelling of 210452140 in words is "two hundred ten million, four hundred fifty-two thousand, one hundred forty".