25852633650 has 96 divisors (see below), whose sum is σ = 74335777920. Its totient is φ = 6594287040.

The previous prime is 25852633643. The next prime is 25852633661. The reversal of 25852633650 is 5633625852.

25852633650 is a `hidden beast` number, since 2 + 5 + 8 + 5 + 2 + 633 + 6 + 5 + 0 = 666.

25852633650 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×25852633650² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 25852633596 and 25852633605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385257 + ... + 447356.

It is an arithmetic number, because the mean of its divisors is an integer number (774331020).

Almost surely, 2^25852633650 is an apocalyptic number.

25852633650 is an abundant number, since it is smaller than the sum of its proper divisors (48483144270).

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

25852633650 is a wasteful number, since it uses less digits than its factorization.

25852633650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832657 (or 832646 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 25852633650 in words is "twenty-five billion, eight hundred fifty-two million, six hundred thirty-three thousand, six hundred fifty".