6250140 has 72 divisors (see below), whose sum is σ = 20424768. Its totient is φ = 1537920.

The previous prime is 6250129. The next prime is 6250147. The reversal of 6250140 is 410526.

It is a happy number.

6250140 is a `hidden beast` number, since 625 + 0 + 1 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6250147) 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, 1005 + ... + 3675.

Almost surely, 2^6250140 is an apocalyptic number.

6250140 is a gapful number since it is divisible by the number (60) 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 6250140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10212384).

6250140 is an abundant number, since it is smaller than the sum of its proper divisors (14174628).

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

6250140 is a wasteful number, since it uses less digits than its factorization.

6250140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6250140 is about 2500.0279998432. The cubic root of 6250140 is about 184.2029502935.

Adding to 6250140 its reverse (410526), we get a palindrome (6660666).

The spelling of 6250140 in words is "six million, two hundred fifty thousand, one hundred forty".