10140250530 has 64 divisors (see below), whose sum is σ = 24788332800. Its totient is φ = 2654211840.

The previous prime is 10140250481. The next prime is 10140250537. The reversal of 10140250530 is 3505204101.

It is a super-2 number, since 2×10140250530² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10140250497 and 10140250506.

It is not an unprimeable number, because it can be changed into a prime (10140250537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477376 + ... + 498164.

It is an arithmetic number, because the mean of its divisors is an integer number (387317700).

Almost surely, 2^10140250530 is an apocalyptic number.

10140250530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10140250530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12394166400).

10140250530 is an abundant number, since it is smaller than the sum of its proper divisors (14648082270).

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

10140250530 is a wasteful number, since it uses less digits than its factorization.

10140250530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21099.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 10140250530 its reverse (3505204101), we get a palindrome (13645454631).

The spelling of 10140250530 in words is "ten billion, one hundred forty million, two hundred fifty thousand, five hundred thirty".