28495159197560 has 128 divisors (see below), whose sum is σ = 70432542005760. Its totient is φ = 10289353536000.

The previous prime is 28495159197541. The next prime is 28495159197563. The reversal of 28495159197560 is 6579195159482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28495159197563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178178594 + ... + 178338446.

It is an arithmetic number, because the mean of its divisors is an integer number (550254234420).

Almost surely, 2^{28495159197560} is an apocalyptic number.

28495159197560 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 28495159197560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35216271002880).

28495159197560 is an abundant number, since it is smaller than the sum of its proper divisors (41937382808200).

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

28495159197560 is a wasteful number, since it uses less digits than its factorization.

28495159197560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162709 (or 162705 counting only the distinct ones).

The product of its (nonzero) digits is 244944000, while the sum is 71.

The spelling of 28495159197560 in words is "twenty-eight trillion, four hundred ninety-five billion, one hundred fifty-nine million, one hundred ninety-seven thousand, five hundred sixty".