1781282240480 has 48 divisors (see below), whose sum is σ = 4213883145024. Its totient is φ = 711564096000.

The previous prime is 1781282240467. The next prime is 1781282240489. The reversal of 1781282240480 is 840422821871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1781282240489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7291967 + ... + 7532286.

It is an arithmetic number, because the mean of its divisors is an integer number (87789232188).

Almost surely, 2^{1781282240480} is an apocalyptic number.

1781282240480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1781282240480 is an abundant number, since it is smaller than the sum of its proper divisors (2432600904544).

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

1781282240480 is a wasteful number, since it uses less digits than its factorization.

1781282240480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14825019 (or 14825011 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 47.

The spelling of 1781282240480 in words is "one trillion, seven hundred eighty-one billion, two hundred eighty-two million, two hundred forty thousand, four hundred eighty".