25340223216 has 80 divisors (see below), whose sum is σ = 81615276288. Its totient is φ = 6581875200.

The previous prime is 25340223211. The next prime is 25340223217. The reversal of 25340223216 is 61232204352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340223211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3424365 + ... + 3431756.

Almost surely, 2^25340223216 is an apocalyptic number.

It is an amenable number.

25340223216 is an abundant number, since it is smaller than the sum of its proper divisors (56275053072).

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

25340223216 is a wasteful number, since it uses less digits than its factorization.

25340223216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856150 (or 6856144 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 25340223216 its reverse (61232204352), we get a palindrome (86572427568).

The spelling of 25340223216 in words is "twenty-five billion, three hundred forty million, two hundred twenty-three thousand, two hundred sixteen".