2728158463540 has 48 divisors (see below), whose sum is σ = 6066878856192. Its totient is φ = 1026946423296.

The previous prime is 2728158463529. The next prime is 2728158463559. The reversal of 2728158463540 is 453648518272.

It is a happy number.

2728158463540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2333449 + ... + 3301711.

It is an arithmetic number, because the mean of its divisors is an integer number (126393309504).

Almost surely, 2^{2728158463540} is an apocalyptic number.

2728158463540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2728158463540 is an abundant number, since it is smaller than the sum of its proper divisors (3338720392652).

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

2728158463540 is a wasteful number, since it uses less digits than its factorization.

2728158463540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976576 (or 976574 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 2728158463540 in words is "two trillion, seven hundred twenty-eight billion, one hundred fifty-eight million, four hundred sixty-three thousand, five hundred forty".