25448641954 has 8 divisors (see below), whose sum is σ = 39404348928. Its totient is φ = 12313858980.

The previous prime is 25448641931. The next prime is 25448641957. The reversal of 25448641954 is 45914684452.

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

It is not an unprimeable number, because it can be changed into a prime (25448641957) 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, 205230922 + ... + 205231045.

It is an arithmetic number, because the mean of its divisors is an integer number (4925543616).

Almost surely, 2^25448641954 is an apocalyptic number.

25448641954 is a deficient number, since it is larger than the sum of its proper divisors (13955706974).

25448641954 is a wasteful number, since it uses less digits than its factorization.

25448641954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410462000.

The product of its digits is 5529600, while the sum is 52.

The spelling of 25448641954 in words is "twenty-five billion, four hundred forty-eight million, six hundred forty-one thousand, nine hundred fifty-four".