2750277773980 has 144 divisors (see below), whose sum is σ = 6571988881920. Its totient is φ = 964922112000.

The previous prime is 2750277773921. The next prime is 2750277773989. The reversal of 2750277773980 is 893777720572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750277773989) 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 47 ways as a sum of consecutive naturals, for example, 103221460 + ... + 103248100.

It is an arithmetic number, because the mean of its divisors is an integer number (45638811680).

Almost surely, 2^{2750277773980} is an apocalyptic number.

2750277773980 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 2750277773980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285994440960).

2750277773980 is an abundant number, since it is smaller than the sum of its proper divisors (3821711107940).

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

2750277773980 is a wasteful number, since it uses less digits than its factorization.

2750277773980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28172 (or 28159 counting only the distinct ones).

The product of its (nonzero) digits is 72606240, while the sum is 64.

The spelling of 2750277773980 in words is "two trillion, seven hundred fifty billion, two hundred seventy-seven million, seven hundred seventy-three thousand, nine hundred eighty".