2728042548 has 48 divisors (see below), whose sum is σ = 7936126464. Its totient is φ = 708582240.

The previous prime is 2728042529. The next prime is 2728042571. The reversal of 2728042548 is 8452408272.

It is a super-2 number, since 2×2728042548² = 14884432287396664608, which 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475290 + ... + 1477137.

It is an arithmetic number, because the mean of its divisors is an integer number (165335968).

Almost surely, 2^2728042548 is an apocalyptic number.

2728042548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2728042548 is an abundant number, since it is smaller than the sum of its proper divisors (5208083916).

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

2728042548 is a wasteful number, since it uses less digits than its factorization.

2728042548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952452 (or 2952450 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 2728042548 is about 52230.6667389954. Note that the first 3 decimals coincide. The cubic root of 2728042548 is about 1397.2808698462.

The spelling of 2728042548 in words is "two billion, seven hundred twenty-eight million, forty-two thousand, five hundred forty-eight".