2770021540000 has 720 divisors, whose sum is σ = 8130002597640. Its totient is φ = 928012800000.

The previous prime is 2770021539979. The next prime is 2770021540007. The reversal of 2770021540000 is 451200772.

It can be written as a sum of positive squares in 20 ways, for example, as 2666597552784 + 103423987216 = 1632972^2 + 321596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770021540007) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5316739740 + ... + 5316740260.

Almost surely, 2^{2770021540000} is an apocalyptic number.

2770021540000 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 2770021540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4065001298820).

2770021540000 is an abundant number, since it is smaller than the sum of its proper divisors (5359981057640).

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

2770021540000 is an equidigital number, since it uses as much as digits as its factorization.

2770021540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

Adding to 2770021540000 its reverse (451200772), we get a palindrome (2770472740772).

The spelling of 2770021540000 in words is "two trillion, seven hundred seventy billion, twenty-one million, five hundred forty thousand".