2028934536840 has 192 divisors, whose sum is σ = 6896071728000. Its totient is φ = 516371767296.

The previous prime is 2028934536823. The next prime is 2028934536841. The reversal of 2028934536840 is 486354398202.

2028934536840 is a `hidden beast` number, since 2 + 0 + 2 + 8 + 93 + 453 + 68 + 40 = 666.

It is not an unprimeable number, because it can be changed into a prime (2028934536841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3444847 + ... + 3990593.

It is an arithmetic number, because the mean of its divisors is an integer number (35917040250).

Almost surely, 2^{2028934536840} is an apocalyptic number.

2028934536840 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 2028934536840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3448035864000).

2028934536840 is an abundant number, since it is smaller than the sum of its proper divisors (4867137191160).

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

2028934536840 is a wasteful number, since it uses less digits than its factorization.

2028934536840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546236 (or 546229 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 2028934536840 in words is "two trillion, twenty-eight billion, nine hundred thirty-four million, five hundred thirty-six thousand, eight hundred forty".