28646020269262 has 16 divisors (see below), whose sum is σ = 47339417838384. Its totient is φ = 12891998320000.

The previous prime is 28646020269247. The next prime is 28646020269271. The reversal of 28646020269262 is 26296202064682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6445996939 + ... + 6446001382.

It is an arithmetic number, because the mean of its divisors is an integer number (2958713614899).

Almost surely, 2^{28646020269262} is an apocalyptic number.

28646020269262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28646020269262 is a deficient number, since it is larger than the sum of its proper divisors (18693397569122).

28646020269262 is a wasteful number, since it uses less digits than its factorization.

28646020269262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12891998435.

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 28646020269262 in words is "twenty-eight trillion, six hundred forty-six billion, twenty million, two hundred sixty-nine thousand, two hundred sixty-two".