57023128538880 has 1152 divisors, whose sum is σ = 224234976000000. Its totient is φ = 12310598909952.

The previous prime is 57023128538879. The next prime is 57023128538939. The reversal of 57023128538880 is 8883582132075.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8733819456 + ... + 8733825984.

Almost surely, 2^{57023128538880} 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 57023128538880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112117488000000).

57023128538880 is an abundant number, since it is smaller than the sum of its proper divisors (167211847461120).

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

57023128538880 is a wasteful number, since it uses less digits than its factorization.

57023128538880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942 (or 6914 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 57023128538880 in words is "fifty-seven trillion, twenty-three billion, one hundred twenty-eight million, five hundred thirty-eight thousand, eight hundred eighty".