57628218204 has 60 divisors (see below), whose sum is σ = 158580591400. Its totient is φ = 18198382752.

The previous prime is 57628218181. The next prime is 57628218209. The reversal of 57628218204 is 40281282675.

57628218204 is a `hidden beast` number, since 5 + 7 + 628 + 2 + 18 + 2 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 57628218204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57628218209) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4674499 + ... + 4686810.

Almost surely, 2^57628218204 is an apocalyptic number.

57628218204 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

57628218204 is an abundant number, since it is smaller than the sum of its proper divisors (100952373196).

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

57628218204 is a wasteful number, since it uses less digits than its factorization.

57628218204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361344 (or 9361333 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 57628218204 in words is "fifty-seven billion, six hundred twenty-eight million, two hundred eighteen thousand, two hundred four".