57030140640 has 192 divisors, whose sum is σ = 200756973312. Its totient is φ = 13488230400.

The previous prime is 57030140639. The next prime is 57030140647. The reversal of 57030140640 is 4604103075.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 57030140598 and 57030140607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030140647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84759 + ... + 348201.

It is an arithmetic number, because the mean of its divisors is an integer number (1045609236).

Almost surely, 2^57030140640 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 57030140640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100378486656).

57030140640 is an abundant number, since it is smaller than the sum of its proper divisors (143726832672).

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

57030140640 is a wasteful number, since it uses less digits than its factorization.

57030140640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263513 (or 263505 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 57030140640 in words is "fifty-seven billion, thirty million, one hundred forty thousand, six hundred forty".