2285494129280 has 128 divisors (see below), whose sum is σ = 5486476351680. Its totient is φ = 910404698112.

The previous prime is 2285494129249. The next prime is 2285494129283. The reversal of 2285494129280 is 829214945822.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2285494129283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155078072 + ... + 155092808.

Almost surely, 2^{2285494129280} is an apocalyptic number.

2285494129280 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 2285494129280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2743238175840).

2285494129280 is an abundant number, since it is smaller than the sum of its proper divisors (3200982222400).

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

2285494129280 is a wasteful number, since it uses less digits than its factorization.

2285494129280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15746 (or 15734 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 2285494129280 in words is "two trillion, two hundred eighty-five billion, four hundred ninety-four million, one hundred twenty-nine thousand, two hundred eighty".