28273409148336 has 240 divisors, whose sum is σ = 85344527850624. Its totient is φ = 8031584000000.

The previous prime is 28273409148323. The next prime is 28273409148377. The reversal of 28273409148336 is 63384190437282.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28273409148336.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24212311 + ... + 25353161.

Almost surely, 2^{28273409148336} 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 28273409148336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42672263925312).

28273409148336 is an abundant number, since it is smaller than the sum of its proper divisors (57071118702288).

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

28273409148336 is a wasteful number, since it uses less digits than its factorization.

28273409148336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141152 (or 1141135 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 60.

The spelling of 28273409148336 in words is "twenty-eight trillion, two hundred seventy-three billion, four hundred nine million, one hundred forty-eight thousand, three hundred thirty-six".