25395933552 has 160 divisors (see below), whose sum is σ = 75524451840. Its totient is φ = 7278120960.

The previous prime is 25395933487. The next prime is 25395933581. The reversal of 25395933552 is 25533959352.

It is a junction number, because it is equal to n+sod(n) for n = 25395933495 and 25395933504.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1069068 + ... + 1092564.

It is an arithmetic number, because the mean of its divisors is an integer number (472027824).

Almost surely, 2^25395933552 is an apocalyptic number.

25395933552 is a gapful number since it is divisible by the number (22) 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 25395933552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37762225920).

25395933552 is an abundant number, since it is smaller than the sum of its proper divisors (50128518288).

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

25395933552 is a wasteful number, since it uses less digits than its factorization.

25395933552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23631 (or 23625 counting only the distinct ones).

The product of its digits is 5467500, while the sum is 51.

The spelling of 25395933552 in words is "twenty-five billion, three hundred ninety-five million, nine hundred thirty-three thousand, five hundred fifty-two".