57142223208 has 192 divisors, whose sum is σ = 186362841600. Its totient is φ = 15451689600.

The previous prime is 57142223191. The next prime is 57142223231. The reversal of 57142223208 is 80232224175.

57142223208 is a `hidden beast` number, since 5 + 7 + 1 + 422 + 23 + 208 = 666.

It is a super-2 number, since 2×57142223208² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12283683 + ... + 12288333.

It is an arithmetic number, because the mean of its divisors is an integer number (970639800).

Almost surely, 2^57142223208 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 57142223208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93181420800).

57142223208 is an abundant number, since it is smaller than the sum of its proper divisors (129220618392).

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

57142223208 is a wasteful number, since it uses less digits than its factorization.

57142223208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972 (or 5965 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 57142223208 in words is "fifty-seven billion, one hundred forty-two million, two hundred twenty-three thousand, two hundred eight".