28360270851840 has 180 divisors, whose sum is σ = 101478235732104. Its totient is φ = 7562738866176.

The previous prime is 28360270851817. The next prime is 28360270851863. The reversal of 28360270851840 is 4815807206382.

28360270851840 is a `hidden beast` number, since 2 + 8 + 3 + 60 + 27 + 0 + 8 + 518 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (28360270851817) and next prime (28360270851863).

It is a tau number, because it is divible by the number of its divisors (180).

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 136664602 + ... + 136871961.

Almost surely, 2^{28360270851840} is an apocalyptic number.

28360270851840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28360270851840 is an abundant number, since it is smaller than the sum of its proper divisors (73117964880264).

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

28360270851840 is an equidigital number, since it uses as much as digits as its factorization.

28360270851840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273536596 (or 273536573 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 28360270851840 in words is "twenty-eight trillion, three hundred sixty billion, two hundred seventy million, eight hundred fifty-one thousand, eight hundred forty".