57128673228 has 192 divisors, whose sum is σ = 151279349760. Its totient is φ = 16629984000.

The previous prime is 57128673209. The next prime is 57128673241. The reversal of 57128673228 is 82237682175.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130133433 + ... + 130133871.

It is an arithmetic number, because the mean of its divisors is an integer number (787913280).

Almost surely, 2^57128673228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57128673228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75639674880).

57128673228 is an abundant number, since it is smaller than the sum of its proper divisors (94150676532).

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

57128673228 is a wasteful number, since it uses less digits than its factorization.

57128673228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 826 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 57128673228 in words is "fifty-seven billion, one hundred twenty-eight million, six hundred seventy-three thousand, two hundred twenty-eight".