2080040449360 has 80 divisors (see below), whose sum is σ = 4929543631872. Its totient is φ = 816017472000.

The previous prime is 2080040449351. The next prime is 2080040449363. The reversal of 2080040449360 is 639440400802.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080040449363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079185 + ... + 2307535.

Almost surely, 2^{2080040449360} is an apocalyptic number.

2080040449360 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 2080040449360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2464771815936).

2080040449360 is an abundant number, since it is smaller than the sum of its proper divisors (2849503182512).

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

2080040449360 is a wasteful number, since it uses less digits than its factorization.

2080040449360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228772 (or 1228766 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 2080040449360 in words is "two trillion, eighty billion, forty million, four hundred forty-nine thousand, three hundred sixty".