57351978221040 has 280 divisors, whose sum is σ = 208615901611680. Its totient is φ = 14628910044672.

The previous prime is 57351978221023. The next prime is 57351978221077. The reversal of 57351978221040 is 4012287915375.

57351978221040 is a `hidden beast` number, since 5 + 7 + 3 + 519 + 7 + 82 + 2 + 1 + 0 + 40 = 666.

57351978221040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 20036935 + ... + 22719654.

Almost surely, 2^{57351978221040} is an apocalyptic number.

It is an amenable number.

57351978221040 is an abundant number, since it is smaller than the sum of its proper divisors (151263923390640).

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

57351978221040 is a wasteful number, since it uses less digits than its factorization.

57351978221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42756643 (or 42756622 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 57351978221040 in words is "fifty-seven trillion, three hundred fifty-one billion, nine hundred seventy-eight million, two hundred twenty-one thousand, forty".