25140012430 has 24 divisors (see below), whose sum is σ = 49000713912. Its totient is φ = 9282465504.

The previous prime is 25140012419. The next prime is 25140012451. The reversal of 25140012430 is 3421004152.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7436184 + ... + 7439563.

It is an arithmetic number, because the mean of its divisors is an integer number (2041696413).

Almost surely, 2^25140012430 is an apocalyptic number.

25140012430 is a deficient number, since it is larger than the sum of its proper divisors (23860701482).

25140012430 is a wasteful number, since it uses less digits than its factorization.

25140012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14875780 (or 14875767 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 25140012430 its reverse (3421004152), we get a palindrome (28561016582).

The spelling of 25140012430 in words is "twenty-five billion, one hundred forty million, twelve thousand, four hundred thirty".