25142024340 has 36 divisors (see below), whose sum is σ = 76264141044. Its totient is φ = 6704539776.

The previous prime is 25142024317. The next prime is 25142024351. The reversal of 25142024340 is 4342024152.

25142024340 is a `hidden beast` number, since 25 + 1 + 4 + 202 + 434 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12279742596 + 12862281744 = 110814^2 + 113412^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 69838777 + ... + 69839136.

Almost surely, 2^25142024340 is an apocalyptic number.

25142024340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25142024340 is an abundant number, since it is smaller than the sum of its proper divisors (51122116704).

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

25142024340 is a wasteful number, since it uses less digits than its factorization.

25142024340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139677928 (or 139677923 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 25142024340 its reverse (4342024152), we get a palindrome (29484048492).

The spelling of 25142024340 in words is "twenty-five billion, one hundred forty-two million, twenty-four thousand, three hundred forty".