25015110240 has 384 divisors, whose sum is σ = 84227641344. Its totient is φ = 6230016000.

The previous prime is 25015110233. The next prime is 25015110277. The reversal of 25015110240 is 4201151052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79920324 + ... + 79920636.

It is an arithmetic number, because the mean of its divisors is an integer number (219342816).

Almost surely, 2^25015110240 is an apocalyptic number.

25015110240 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 25015110240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42113820672).

25015110240 is an abundant number, since it is smaller than the sum of its proper divisors (59212531104).

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

25015110240 is a wasteful number, since it uses less digits than its factorization.

25015110240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 25015110240 its reverse (4201151052), we get a palindrome (29216261292).

The spelling of 25015110240 in words is "twenty-five billion, fifteen million, one hundred ten thousand, two hundred forty".