25146770148 has 36 divisors (see below), whose sum is σ = 63675664780. Its totient is φ = 8367722496.

The previous prime is 25146770147. The next prime is 25146770149. The reversal of 25146770148 is 84107764152.

25146770148 is a `hidden beast` number, since 2 + 514 + 67 + 70 + 1 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (25146770147) and next prime (25146770149).

It can be written as a sum of positive squares in 2 ways, for example, as 13094682624 + 12052087524 = 114432^2 + 109782^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (25146770147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584533 + ... + 626076.

Almost surely, 2^25146770148 is an apocalyptic number.

It is an amenable number.

25146770148 is an abundant number, since it is smaller than the sum of its proper divisors (38528894632).

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

25146770148 is a wasteful number, since it uses less digits than its factorization.

25146770148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211196 (or 1211191 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 25146770148 in words is "twenty-five billion, one hundred forty-six million, seven hundred seventy thousand, one hundred forty-eight".