25140040255 has 16 divisors (see below), whose sum is σ = 32913828000. Its totient is φ = 18281871360.

The previous prime is 25140040217. The next prime is 25140040297. The reversal of 25140040255 is 55204004152.

It is not a de Polignac number, because 25140040255 - 2¹³ = 25140032063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846091 + ... + 875299.

It is an arithmetic number, because the mean of its divisors is an integer number (2057114250).

Almost surely, 2^25140040255 is an apocalyptic number.

25140040255 is a deficient number, since it is larger than the sum of its proper divisors (7773787745).

25140040255 is a wasteful number, since it uses less digits than its factorization.

25140040255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44874.

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 25140040255 in words is "twenty-five billion, one hundred forty million, forty thousand, two hundred fifty-five".