25340935088 has 80 divisors (see below), whose sum is σ = 56812554240. Its totient is φ = 10725412608.

The previous prime is 25340935079. The next prime is 25340935091. The reversal of 25340935088 is 88053904352.

It is a super-2 number, since 2×25340935088² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4484681 + ... + 4490327.

It is an arithmetic number, because the mean of its divisors is an integer number (710156928).

Almost surely, 2^25340935088 is an apocalyptic number.

25340935088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25340935088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28406277120).

25340935088 is an abundant number, since it is smaller than the sum of its proper divisors (31471619152).

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

25340935088 is a wasteful number, since it uses less digits than its factorization.

25340935088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154 (or 6148 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 25340935088 in words is "twenty-five billion, three hundred forty million, nine hundred thirty-five thousand, eighty-eight".