25338004632 has 160 divisors (see below), whose sum is σ = 73204758000. Its totient is φ = 8215841664.

The previous prime is 25338004561. The next prime is 25338004639. The reversal of 25338004632 is 23640083352.

It is a happy number.

25338004632 is a `hidden beast` number, since 2 + 533 + 80 + 0 + 46 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25338004639) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5823994 + ... + 5828342.

Almost surely, 2^25338004632 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 25338004632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36602379000).

25338004632 is an abundant number, since it is smaller than the sum of its proper divisors (47866753368).

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

25338004632 is an frugal number, since it uses more digits than its factorization.

25338004632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4391 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 25338004632 its reverse (23640083352), we get a palindrome (48978087984).

The spelling of 25338004632 in words is "twenty-five billion, three hundred thirty-eight million, four thousand, six hundred thirty-two".