25241434340 has 24 divisors (see below), whose sum is σ = 54299867832. Its totient is φ = 9850315520.

The previous prime is 25241434331. The next prime is 25241434357. The reversal of 25241434340 is 4343414252.

It can be written as a sum of positive squares in 4 ways, for example, as 2724631204 + 22516803136 = 52198^2 + 150056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25241434297 and 25241434306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15390299 + ... + 15391938.

It is an arithmetic number, because the mean of its divisors is an integer number (2262494493).

Almost surely, 2^25241434340 is an apocalyptic number.

25241434340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25241434340 is an abundant number, since it is smaller than the sum of its proper divisors (29058433492).

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

25241434340 is a wasteful number, since it uses less digits than its factorization.

25241434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30782287 (or 30782285 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 25241434340 its reverse (4343414252), we get a palindrome (29584848592).

The spelling of 25241434340 in words is "twenty-five billion, two hundred forty-one million, four hundred thirty-four thousand, three hundred forty".