25052210604 has 144 divisors (see below), whose sum is σ = 68206400640. Its totient is φ = 7951284000.

The previous prime is 25052210567. The next prime is 25052210611. The reversal of 25052210604 is 40601225052.

25052210604 is a `hidden beast` number, since 2 + 5 + 0 + 52 + 2 + 1 + 0 + 604 = 666.

It is a super-2 number, since 2×25052210604² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 14339259 + ... + 14341005.

It is an arithmetic number, because the mean of its divisors is an integer number (473655560).

Almost surely, 2^25052210604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25052210604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34103200320).

25052210604 is an abundant number, since it is smaller than the sum of its proper divisors (43154190036).

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

25052210604 is a wasteful number, since it uses less digits than its factorization.

25052210604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 25052210604 its reverse (40601225052), we get a palindrome (65653435656).

The spelling of 25052210604 in words is "twenty-five billion, fifty-two million, two hundred ten thousand, six hundred four".