25423632452 has 24 divisors (see below), whose sum is σ = 46602331776. Its totient is φ = 12112884608.

The previous prime is 25423632427. The next prime is 25423632469.

25423632452 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25423632452² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501173 + ... + 549564.

It is an arithmetic number, because the mean of its divisors is an integer number (1941763824).

Almost surely, 2^25423632452 is an apocalyptic number.

It is an amenable number.

25423632452 is a deficient number, since it is larger than the sum of its proper divisors (21178699324).

25423632452 is a wasteful number, since it uses less digits than its factorization.

25423632452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051027 (or 1051025 counting only the distinct ones).

The product of its digits is 345600, while the sum is 38.

The spelling of 25423632452 in words is "twenty-five billion, four hundred twenty-three million, six hundred thirty-two thousand, four hundred fifty-two".