10140142250 has 128 divisors (see below), whose sum is σ = 22773104640. Its totient is φ = 3305544000.

The previous prime is 10140142237. The next prime is 10140142283. The reversal of 10140142250 is 5224104101.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7687091 + ... + 7688409.

It is an arithmetic number, because the mean of its divisors is an integer number (177914880).

Almost surely, 2^10140142250 is an apocalyptic number.

10140142250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10140142250 is an abundant number, since it is smaller than the sum of its proper divisors (12632962390).

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

10140142250 is a wasteful number, since it uses less digits than its factorization.

10140142250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10140142250 its reverse (5224104101), we get a palindrome (15364246351).

The spelling of 10140142250 in words is "ten billion, one hundred forty million, one hundred forty-two thousand, two hundred fifty".