57707236693920 has 576 divisors, whose sum is σ = 215218254569472. Its totient is φ = 12949721241600.

The previous prime is 57707236693867. The next prime is 57707236693921. The reversal of 57707236693920 is 2939663270775.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (57707236693921) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 40714279 + ... + 42107801.

It is an arithmetic number, because the mean of its divisors is an integer number (373642803072).

Almost surely, 2^{57707236693920} 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 57707236693920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107609127284736).

57707236693920 is an abundant number, since it is smaller than the sum of its proper divisors (157511017875552).

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

57707236693920 is a wasteful number, since it uses less digits than its factorization.

57707236693920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393617 (or 1393598 counting only the distinct ones).

The product of its (nonzero) digits is 180033840, while the sum is 66.

The spelling of 57707236693920 in words is "fifty-seven trillion, seven hundred seven billion, two hundred thirty-six million, six hundred ninety-three thousand, nine hundred twenty".