2140781604480 has 96 divisors (see below), whose sum is σ = 7392386497860. Its totient is φ = 570875092992.

The previous prime is 2140781604443. The next prime is 2140781604523. The reversal of 2140781604480 is 844061870412.

2140781604480 is a `hidden beast` number, since 2 + 1 + 4 + 0 + 7 + 8 + 160 + 4 + 480 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2139011551296 + 1770053184 = 1462536^2 + 42072^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185825977 + ... + 185837496.

Almost surely, 2^{2140781604480} is an apocalyptic number.

2140781604480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140781604480 is an abundant number, since it is smaller than the sum of its proper divisors (5251604893380).

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

2140781604480 is a wasteful number, since it uses less digits than its factorization.

2140781604480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371663498 (or 371663483 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 2140781604480 in words is "two trillion, one hundred forty billion, seven hundred eighty-one million, six hundred four thousand, four hundred eighty".