28301741833320 has 48 divisors (see below), whose sum is σ = 91980660959460. Its totient is φ = 7547131155456.

The previous prime is 28301741833319. The next prime is 28301741833361. The reversal of 28301741833320 is 2333814710382.

It is a happy number.

28301741833320 is a `hidden beast` number, since 2 + 8 + 301 + 7 + 4 + 1 + 8 + 3 + 332 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24954400811844 + 3347341021476 = 4995438^2 + 1829574^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39307974409 + ... + 39307975128.

Almost surely, 2^{28301741833320} is an apocalyptic number.

28301741833320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28301741833320 is an abundant number, since it is smaller than the sum of its proper divisors (63678919126140).

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

28301741833320 is a wasteful number, since it uses less digits than its factorization.

28301741833320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78615949554 (or 78615949547 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 28301741833320 in words is "twenty-eight trillion, three hundred one billion, seven hundred forty-one million, eight hundred thirty-three thousand, three hundred twenty".