57840440097 has 16 divisors (see below), whose sum is σ = 84140736768. Its totient is φ = 35050984080.

The previous prime is 57840440083. The next prime is 57840440123. The reversal of 57840440097 is 79004404875.

It is not a de Polignac number, because 57840440097 - 2¹² = 57840436001 is a prime.

It is a super-2 number, since 2×57840440097² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57840440017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 227338 + ... + 409100.

It is an arithmetic number, because the mean of its divisors is an integer number (5258796048).

Almost surely, 2^57840440097 is an apocalyptic number.

It is an amenable number.

57840440097 is a deficient number, since it is larger than the sum of its proper divisors (26300296671).

57840440097 is a wasteful number, since it uses less digits than its factorization.

57840440097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191420.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 57840440097 in words is "fifty-seven billion, eight hundred forty million, four hundred forty thousand, ninety-seven".