2028547081388 has 24 divisors (see below), whose sum is σ = 3571955520000. Its totient is φ = 1008005373648.

The previous prime is 2028547081369. The next prime is 2028547081409. The reversal of 2028547081388 is 8831807458202.

It is a super-2 number, since 2×2028547081388² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649120 + ... + 2603207.

It is an arithmetic number, because the mean of its divisors is an integer number (148831480000).

Almost surely, 2^{2028547081388} is an apocalyptic number.

It is an amenable number.

2028547081388 is a deficient number, since it is larger than the sum of its proper divisors (1543408438612).

2028547081388 is a wasteful number, since it uses less digits than its factorization.

2028547081388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253069 (or 4253067 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 56.

The spelling of 2028547081388 in words is "two trillion, twenty-eight billion, five hundred forty-seven million, eighty-one thousand, three hundred eighty-eight".