2755199280 has 80 divisors (see below), whose sum is σ = 8595637344. Its totient is φ = 730030080.

The previous prime is 2755199273. The next prime is 2755199297. The reversal of 2755199280 is 829915572.

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

It is a super-3 number, since 3×2755199280³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120 + ... + 74240.

Almost surely, 2^2755199280 is an apocalyptic number.

2755199280 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 2755199280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4297818672).

2755199280 is an abundant number, since it is smaller than the sum of its proper divisors (5840438064).

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

2755199280 is a wasteful number, since it uses less digits than its factorization.

2755199280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73294 (or 73288 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2755199280 is about 52489.9921889878. The cubic root of 2755199280 is about 1401.9020541355.

The spelling of 2755199280 in words is "two billion, seven hundred fifty-five million, one hundred ninety-nine thousand, two hundred eighty".