57491484396 has 12 divisors (see below), whose sum is σ = 134146796952. Its totient is φ = 19163828128.

The previous prime is 57491484389. The next prime is 57491484439. The reversal of 57491484396 is 69348419475.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×57491484396² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2395478505 + ... + 2395478528.

It is an arithmetic number, because the mean of its divisors is an integer number (11178899746).

Almost surely, 2^57491484396 is an apocalyptic number.

It is an amenable number.

57491484396 is an abundant number, since it is smaller than the sum of its proper divisors (76655312556).

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

57491484396 is a wasteful number, since it uses less digits than its factorization.

57491484396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790957040 (or 4790957038 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The spelling of 57491484396 in words is "fifty-seven billion, four hundred ninety-one million, four hundred eighty-four thousand, three hundred ninety-six".