25740385948 has 6 divisors (see below), whose sum is σ = 45045675416. Its totient is φ = 12870192972.

The previous prime is 25740385943. The next prime is 25740385963. The reversal of 25740385948 is 84958304752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25740385943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217548240 + ... + 3217548247.

Almost surely, 2^25740385948 is an apocalyptic number.

It is an amenable number.

25740385948 is a deficient number, since it is larger than the sum of its proper divisors (19305289468).

25740385948 is a wasteful number, since it uses less digits than its factorization.

25740385948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435096491 (or 6435096489 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 25740385948 in words is "twenty-five billion, seven hundred forty million, three hundred eighty-five thousand, nine hundred forty-eight".