57793661640 has 192 divisors, whose sum is σ = 220666904640. Its totient is φ = 12932835840.

The previous prime is 57793661621. The next prime is 57793661641. The reversal of 57793661640 is 4616639775.

It is a happy number.

57793661640 is a `hidden beast` number, since 57 + 79 + 366 + 164 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (57793661641) by changing a digit.

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, 509842 + ... + 612801.

It is an arithmetic number, because the mean of its divisors is an integer number (1149306795).

Almost surely, 2^57793661640 is an apocalyptic number.

It is an amenable number.

57793661640 is an abundant number, since it is smaller than the sum of its proper divisors (162873243000).

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

57793661640 is a wasteful number, since it uses less digits than its factorization.

57793661640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122684 (or 1122677 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 57793661640 in words is "fifty-seven billion, seven hundred ninety-three million, six hundred sixty-one thousand, six hundred forty".