28241095357440 has 880 divisors, whose sum is σ = 118478686765824. Its totient is φ = 6297639321600.

The previous prime is 28241095357403. The next prime is 28241095357451. The reversal of 28241095357440 is 4475359014282.

It is a happy number.

28241095357440 is a `hidden beast` number, since 2 + 8 + 2 + 4 + 10 + 9 + 53 + 574 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 118906005 + ... + 119143275.

Almost surely, 2^{28241095357440} is an apocalyptic number.

28241095357440 is a gapful number since it is divisible by the number (20) 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 28241095357440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59239343382912).

28241095357440 is an abundant number, since it is smaller than the sum of its proper divisors (90237591408384).

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

28241095357440 is a wasteful number, since it uses less digits than its factorization.

28241095357440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237356 (or 237329 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 28241095357440 in words is "twenty-eight trillion, two hundred forty-one billion, ninety-five million, three hundred fifty-seven thousand, four hundred forty".