25143240000 has 280 divisors, whose sum is σ = 83640826368. Its totient is φ = 6663680000.

The previous prime is 25143239983. The next prime is 25143240103. The reversal of 25143240000 is 4234152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22919452 + ... + 22920548.

Almost surely, 2^25143240000 is an apocalyptic number.

25143240000 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 25143240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41820413184).

25143240000 is an abundant number, since it is smaller than the sum of its proper divisors (58497586368).

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

25143240000 is a wasteful number, since it uses less digits than its factorization.

25143240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 25143240000 its reverse (4234152), we get a palindrome (25147474152).

The spelling of 25143240000 in words is "twenty-five billion, one hundred forty-three million, two hundred forty thousand".