2881299133440 has 2464 divisors, whose sum is σ = 13531619808000. Its totient is φ = 571015692288.

The previous prime is 2881299133373. The next prime is 2881299133459. The reversal of 2881299133440 is 443319921882.

2881299133440 is a `hidden beast` number, since 2 + 8 + 8 + 1 + 299 + 1 + 3 + 344 + 0 = 666.

2881299133440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 5774146311 + ... + 5774146809.

Almost surely, 2^{2881299133440} is an apocalyptic number.

2881299133440 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 2881299133440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6765809904000).

2881299133440 is an abundant number, since it is smaller than the sum of its proper divisors (10650320674560).

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

2881299133440 is a wasteful number, since it uses less digits than its factorization.

2881299133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 2881299133440 in words is "two trillion, eight hundred eighty-one billion, two hundred ninety-nine million, one hundred thirty-three thousand, four hundred forty".