25250035342432 has 72 divisors (see below), whose sum is σ = 51972922766016. Its totient is φ = 12074571100416.

The previous prime is 25250035342417. The next prime is 25250035342457. The reversal of 25250035342432 is 23424353005252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139345393 + ... + 139526479.

It is an arithmetic number, because the mean of its divisors is an integer number (721846149528).

Almost surely, 2^{25250035342432} 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 25250035342432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25986461383008).

25250035342432 is an abundant number, since it is smaller than the sum of its proper divisors (26722887423584).

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

25250035342432 is a wasteful number, since it uses less digits than its factorization.

25250035342432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189380 (or 189349 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 25250035342432 its reverse (23424353005252), we get a palindrome (48674388347684).

The spelling of 25250035342432 in words is "twenty-five trillion, two hundred fifty billion, thirty-five million, three hundred forty-two thousand, four hundred thirty-two".