25701144468 has 12 divisors (see below), whose sum is σ = 59969337120. Its totient is φ = 8567048152.

The previous prime is 25701144463. The next prime is 25701144563. The reversal of 25701144468 is 86444110752.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25701144463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070881008 + ... + 1070881031.

It is an arithmetic number, because the mean of its divisors is an integer number (4997444760).

Almost surely, 2^25701144468 is an apocalyptic number.

It is an amenable number.

25701144468 is an abundant number, since it is smaller than the sum of its proper divisors (34268192652).

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

25701144468 is a wasteful number, since it uses less digits than its factorization.

25701144468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141762046 (or 2141762044 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 25701144468 in words is "twenty-five billion, seven hundred one million, one hundred forty-four thousand, four hundred sixty-eight".