25443468 has 18 divisors (see below), whose sum is σ = 64315524. Its totient is φ = 8481144.

The previous prime is 25443463. The next prime is 25443479. The reversal of 25443468 is 86434452.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 706763 = 25443468 / (2 + 5 + 4 + 4 + 3 + 4 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (25443461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353346 + ... + 353417.

Almost surely, 2^25443468 is an apocalyptic number.

It is an amenable number.

25443468 is an abundant number, since it is smaller than the sum of its proper divisors (38872056).

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

25443468 is a wasteful number, since it uses less digits than its factorization.

25443468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706773 (or 706768 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 25443468 is about 5044.1518613142. The cubic root of 25443468 is about 294.1205947030.

The spelling of 25443468 in words is "twenty-five million, four hundred forty-three thousand, four hundred sixty-eight".