2281548486240 has 144 divisors (see below), whose sum is σ = 7786406680416. Its totient is φ = 608364288000.

The previous prime is 2281548486223. The next prime is 2281548486241. The reversal of 2281548486240 is 426848451822.

2281548486240 is a `hidden beast` number, since 2 + 2 + 8 + 1 + 5 + 4 + 8 + 4 + 8 + 624 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281548486241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20205940 + ... + 20318540.

It is an arithmetic number, because the mean of its divisors is an integer number (54072268614).

Almost surely, 2^{2281548486240} is an apocalyptic number.

2281548486240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2281548486240 is an abundant number, since it is smaller than the sum of its proper divisors (5504858194176).

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

2281548486240 is a wasteful number, since it uses less digits than its factorization.

2281548486240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126693 (or 126682 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 54.

The spelling of 2281548486240 in words is "two trillion, two hundred eighty-one billion, five hundred forty-eight million, four hundred eighty-six thousand, two hundred forty".