25348843880 has 32 divisors (see below), whose sum is σ = 57330433800. Its totient is φ = 10086998016.

The previous prime is 25348843873. The next prime is 25348843907. The reversal of 25348843880 is 8834884352.

It can be written as a sum of positive squares in 4 ways, for example, as 22471808836 + 2877035044 = 149906^2 + 53638^2 .

It is a super-2 number, since 2×25348843880² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634045 + ... + 1649484.

Almost surely, 2^25348843880 is an apocalyptic number.

25348843880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25348843880 is an abundant number, since it is smaller than the sum of its proper divisors (31981589920).

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

25348843880 is a wasteful number, since it uses less digits than its factorization.

25348843880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283733 (or 3283729 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 53.

The spelling of 25348843880 in words is "twenty-five billion, three hundred forty-eight million, eight hundred forty-three thousand, eight hundred eighty".