57380791428 has 36 divisors (see below), whose sum is σ = 146881920640. Its totient is φ = 18884816496.

The previous prime is 57380791423. The next prime is 57380791477. The reversal of 57380791428 is 82419708375.

It is a happy number.

57380791428 is a `hidden beast` number, since 5 + 73 + 80 + 79 + 1 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (57380791421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10085200 + ... + 10090887.

Almost surely, 2^57380791428 is an apocalyptic number.

It is an amenable number.

57380791428 is an abundant number, since it is smaller than the sum of its proper divisors (89501129212).

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

57380791428 is a wasteful number, since it uses less digits than its factorization.

57380791428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20176176 (or 20176171 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 57380791428 in words is "fifty-seven billion, three hundred eighty million, seven hundred ninety-one thousand, four hundred twenty-eight".