25380010548 has 72 divisors (see below), whose sum is σ = 64453389000. Its totient is φ = 8420751360.

The previous prime is 25380010541. The next prime is 25380010559. The reversal of 25380010548 is 84501008352.

It is a happy number.

25380010548 is a `hidden beast` number, since 25 + 3 + 80 + 0 + 10 + 548 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2369547684 + 23010462864 = 48678^2 + 151692^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25380010541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9231078 + ... + 9233826.

Almost surely, 2^25380010548 is an apocalyptic number.

It is an amenable number.

25380010548 is an abundant number, since it is smaller than the sum of its proper divisors (39073378452).

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

25380010548 is a wasteful number, since it uses less digits than its factorization.

25380010548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857 (or 3852 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 25380010548 in words is "twenty-five billion, three hundred eighty million, ten thousand, five hundred forty-eight".