25406101226 has 32 divisors (see below), whose sum is σ = 41880761856. Its totient is φ = 11463030000.

The previous prime is 25406101223. The next prime is 25406101241. The reversal of 25406101226 is 62210160452.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25406101223) 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, 6678641 + ... + 6682443.

It is an arithmetic number, because the mean of its divisors is an integer number (1308773808).

Almost surely, 2^25406101226 is an apocalyptic number.

25406101226 is a deficient number, since it is larger than the sum of its proper divisors (16474660630).

25406101226 is a wasteful number, since it uses less digits than its factorization.

25406101226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 25406101226 its reverse (62210160452), we get a palindrome (87616261678).

The spelling of 25406101226 in words is "twenty-five billion, four hundred six million, one hundred one thousand, two hundred twenty-six".