25988073648 has 80 divisors (see below), whose sum is σ = 67781780736. Its totient is φ = 8579692800.

The previous prime is 25988073647. The next prime is 25988073767. The reversal of 25988073648 is 84637088952.

It is a junction number, because it is equal to n+sod(n) for n = 25988073591 and 25988073600.

It is not an unprimeable number, because it can be changed into a prime (25988073641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2509890 + ... + 2520222.

Almost surely, 2^25988073648 is an apocalyptic number.

It is an amenable number.

25988073648 is an abundant number, since it is smaller than the sum of its proper divisors (41793707088).

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

25988073648 is a wasteful number, since it uses less digits than its factorization.

25988073648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842 (or 10836 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 25988073648 in words is "twenty-five billion, nine hundred eighty-eight million, seventy-three thousand, six hundred forty-eight".