25326010140 has 96 divisors (see below), whose sum is σ = 72773648640. Its totient is φ = 6577299456.

The previous prime is 25326010123. The next prime is 25326010141. The reversal of 25326010140 is 4101062352.

It is a super-2 number, since 2×25326010140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25326010140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25326010141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881116 + ... + 909404.

It is an arithmetic number, because the mean of its divisors is an integer number (758058840).

Almost surely, 2^25326010140 is an apocalyptic number.

25326010140 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 25326010140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36386824320).

25326010140 is an abundant number, since it is smaller than the sum of its proper divisors (47447638500).

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

25326010140 is a wasteful number, since it uses less digits than its factorization.

25326010140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28691 (or 28689 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 25326010140 its reverse (4101062352), we get a palindrome (29427072492).

The spelling of 25326010140 in words is "twenty-five billion, three hundred twenty-six million, ten thousand, one hundred forty".