210148380 has 144 divisors (see below), whose sum is σ = 708873984. Its totient is φ = 50042880.

The previous prime is 210148363. The next prime is 210148387. The reversal of 210148380 is 83841012.

210148380 is a `hidden beast` number, since 2 + 101 + 483 + 80 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210148387) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71092 + ... + 73988.

It is an arithmetic number, because the mean of its divisors is an integer number (4922736).

Almost surely, 2^210148380 is an apocalyptic number.

210148380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210148380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354436992).

210148380 is an abundant number, since it is smaller than the sum of its proper divisors (498725604).

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

210148380 is a wasteful number, since it uses less digits than its factorization.

210148380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2951 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 210148380 is about 14496.4954385534. The cubic root of 210148380 is about 594.5321558316.

Adding to 210148380 its reverse (83841012), we get a palindrome (293989392).

The spelling of 210148380 in words is "two hundred ten million, one hundred forty-eight thousand, three hundred eighty".