25420453148 has 12 divisors (see below), whose sum is σ = 44917694640. Its totient is φ = 12586826112.

The previous prime is 25420453129. The next prime is 25420453159. The reversal of 25420453148 is 84135402452.

It is a super-3 number, since 3×25420453148³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30849653 + ... + 30850476.

It is an arithmetic number, because the mean of its divisors is an integer number (3743141220).

Almost surely, 2^25420453148 is an apocalyptic number.

It is an amenable number.

25420453148 is a deficient number, since it is larger than the sum of its proper divisors (19497241492).

25420453148 is a wasteful number, since it uses less digits than its factorization.

25420453148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61700236 (or 61700234 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 25420453148 in words is "twenty-five billion, four hundred twenty million, four hundred fifty-three thousand, one hundred forty-eight".