210048140 has 12 divisors (see below), whose sum is σ = 441101136. Its totient is φ = 84019248.

The previous prime is 210048133. The next prime is 210048143. The reversal of 210048140 is 41840012.

It is a super-3 number, since 3×210048140³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10502407 = 210048140 / (2 + 1 + 0 + 0 + 4 + 8 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (210048143) 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, 5251184 + ... + 5251223.

It is an arithmetic number, because the mean of its divisors is an integer number (36758428).

Almost surely, 2^210048140 is an apocalyptic number.

210048140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210048140 is an abundant number, since it is smaller than the sum of its proper divisors (231052996).

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

210048140 is a wasteful number, since it uses less digits than its factorization.

210048140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502416 (or 10502414 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 210048140 is about 14493.0376388113. The cubic root of 210048140 is about 594.4376109177.

Adding to 210048140 its reverse (41840012), we get a palindrome (251888152).

The spelling of 210048140 in words is "two hundred ten million, forty-eight thousand, one hundred forty".