28601136226 has 32 divisors (see below), whose sum is σ = 51046547328. Its totient is φ = 11883843840.

The previous prime is 28601136217. The next prime is 28601136227. The reversal of 28601136226 is 62263110682.

It is not an unprimeable number, because it can be changed into a prime (28601136227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396540 + ... + 1416871.

It is an arithmetic number, because the mean of its divisors is an integer number (1595204604).

Almost surely, 2^28601136226 is an apocalyptic number.

28601136226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28601136226 is a deficient number, since it is larger than the sum of its proper divisors (22445411102).

28601136226 is a wasteful number, since it uses less digits than its factorization.

28601136226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813466.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 28601136226 in words is "twenty-eight billion, six hundred one million, one hundred thirty-six thousand, two hundred twenty-six".