28740884622912 has 1792 divisors, whose sum is σ = 119075069952000. Its totient is φ = 6561799372800.

The previous prime is 28740884622899. The next prime is 28740884622917. The reversal of 28740884622912 is 21922648804782.

28740884622912 is a `hidden beast` number, since 2 + 8 + 7 + 4 + 0 + 88 + 462 + 2 + 91 + 2 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 28740884622912.

It is not an unprimeable number, because it can be changed into a prime (28740884622917) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3051368539 + ... + 3051377957.

Almost surely, 2^{28740884622912} is an apocalyptic number.

28740884622912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28740884622912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59537534976000).

28740884622912 is an abundant number, since it is smaller than the sum of its proper divisors (90334185329088).

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

28740884622912 is a wasteful number, since it uses less digits than its factorization.

28740884622912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565 (or 9549 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 63.

The spelling of 28740884622912 in words is "twenty-eight trillion, seven hundred forty billion, eight hundred eighty-four million, six hundred twenty-two thousand, nine hundred twelve".