2773155840000 has 1600 divisors, whose sum is σ = 11740281907200. Its totient is φ = 566231040000.

The previous prime is 2773155839983. The next prime is 2773155840097. The reversal of 2773155840000 is 485513772.

It is a tau number, because it is divible by the number of its divisors (1600).

It is a super-2 number, since 2×2773155840000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 89456639985 + ... + 89456640015.

It is an arithmetic number, because the mean of its divisors is an integer number (7337676192).

Almost surely, 2^{2773155840000} is an apocalyptic number.

2773155840000 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 2773155840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5870140953600).

2773155840000 is an abundant number, since it is smaller than the sum of its proper divisors (8967126067200).

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

2773155840000 is an frugal number, since it uses more digits than its factorization.

2773155840000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 2773155840000 in words is "two trillion, seven hundred seventy-three billion, one hundred fifty-five million, eight hundred forty thousand".