10210140 has 72 divisors (see below), whose sum is σ = 31279248. Its totient is φ = 2695680.

The previous prime is 10210121. The next prime is 10210141. The reversal of 10210140 is 4101201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23364 + ... + 23796.

It is an arithmetic number, because the mean of its divisors is an integer number (434434).

Almost surely, 2^10210140 is an apocalyptic number.

10210140 is a gapful number since it is divisible by the number (10) 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 10210140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15639624).

10210140 is an abundant number, since it is smaller than the sum of its proper divisors (21069108).

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

10210140 is a wasteful number, since it uses less digits than its factorization.

10210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10210140 is about 3195.3309687730. The cubic root of 10210140 is about 216.9421295844.

Adding to 10210140 its reverse (4101201), we get a palindrome (14311341).

The spelling of 10210140 in words is "ten million, two hundred ten thousand, one hundred forty".