25266448942020 has 864 divisors, whose sum is σ = 94202811655680. Its totient is φ = 5646813004800.

The previous prime is 25266448941991. The next prime is 25266448942079. The reversal of 25266448942020 is 2024984466252.

25266448942020 is a `hidden beast` number, since 2 + 52 + 66 + 448 + 94 + 2 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 7942924830 + ... + 7942928010.

Almost surely, 2^{25266448942020} is an apocalyptic number.

25266448942020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25266448942020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47101405827840).

25266448942020 is an abundant number, since it is smaller than the sum of its proper divisors (68936362713660).

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

25266448942020 is a wasteful number, since it uses less digits than its factorization.

25266448942020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4254 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 25266448942020 in words is "twenty-five trillion, two hundred sixty-six billion, four hundred forty-eight million, nine hundred forty-two thousand, twenty".