25450145466 has 8 divisors (see below), whose sum is σ = 50900290944. Its totient is φ = 8483381820.

The previous prime is 25450145459. The next prime is 25450145491. The reversal of 25450145466 is 66454105452.

It is a sphenic number, since it is the product of 3 distinct primes.

25450145466 is an admirable number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120845450 + ... + 2120845461.

It is an arithmetic number, because the mean of its divisors is an integer number (6362536368).

Almost surely, 2^25450145466 is an apocalyptic number.

25450145466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25450145466 is a wasteful number, since it uses less digits than its factorization.

25450145466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241690916.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 25450145466 in words is "twenty-five billion, four hundred fifty million, one hundred forty-five thousand, four hundred sixty-six".