25350405452 has 24 divisors (see below), whose sum is σ = 45471592320. Its totient is φ = 12358880640.

The previous prime is 25350405449. The next prime is 25350405469. The reversal of 25350405452 is 25450405352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244538 + ... + 332414.

It is an arithmetic number, because the mean of its divisors is an integer number (1894649680).

Almost surely, 2^25350405452 is an apocalyptic number.

It is an amenable number.

25350405452 is a deficient number, since it is larger than the sum of its proper divisors (20121186868).

25350405452 is a wasteful number, since it uses less digits than its factorization.

25350405452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89681 (or 89679 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 25350405452 in words is "twenty-five billion, three hundred fifty million, four hundred five thousand, four hundred fifty-two".