57426324021 has 24 divisors (see below), whose sum is σ = 90608993280. Its totient is φ = 34758052800.

The previous prime is 57426324013. The next prime is 57426324047. The reversal of 57426324021 is 12042362475.

57426324021 is a `hidden beast` number, since 574 + 2 + 63 + 2 + 4 + 0 + 21 = 666.

57426324021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57426324021 - 2³ = 57426324013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57426324121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305781 + ... + 456458.

It is an arithmetic number, because the mean of its divisors is an integer number (3775374720).

Almost surely, 2^57426324021 is an apocalyptic number.

It is an amenable number.

57426324021 is a deficient number, since it is larger than the sum of its proper divisors (33182669259).

57426324021 is a wasteful number, since it uses less digits than its factorization.

57426324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763017 (or 763014 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 57426324021 its reverse (12042362475), we get a palindrome (69468686496).

The spelling of 57426324021 in words is "fifty-seven billion, four hundred twenty-six million, three hundred twenty-four thousand, twenty-one".