25840051214 has 4 divisors (see below), whose sum is σ = 38760076824. Its totient is φ = 12920025606.

The previous prime is 25840051213. The next prime is 25840051241. The reversal of 25840051214 is 41215004852.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25840051213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6460012802 + ... + 6460012805.

It is an arithmetic number, because the mean of its divisors is an integer number (9690019206).

Almost surely, 2^25840051214 is an apocalyptic number.

25840051214 is a deficient number, since it is larger than the sum of its proper divisors (12920025610).

25840051214 is a wasteful number, since it uses less digits than its factorization.

25840051214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920025609.

The product of its (nonzero) digits is 12800, while the sum is 32.

The spelling of 25840051214 in words is "twenty-five billion, eight hundred forty million, fifty-one thousand, two hundred fourteen".