25629543968 has 24 divisors (see below), whose sum is σ = 57666474432. Its totient is φ = 10984090176.

The previous prime is 25629543923. The next prime is 25629544007. The reversal of 25629543968 is 86934592652.

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 3 ways as a sum of consecutive naturals, for example, 57208580 + ... + 57209027.

It is an arithmetic number, because the mean of its divisors is an integer number (2402769768).

Almost surely, 2^25629543968 is an apocalyptic number.

25629543968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25629543968 is an abundant number, since it is smaller than the sum of its proper divisors (32036930464).

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

25629543968 is a wasteful number, since it uses less digits than its factorization.

25629543968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114417624 (or 114417616 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 59.

The spelling of 25629543968 in words is "twenty-five billion, six hundred twenty-nine million, five hundred forty-three thousand, nine hundred sixty-eight".