57440443641 has 16 divisors (see below), whose sum is σ = 87532800000. Its totient is φ = 32821421328.

The previous prime is 57440443609. The next prime is 57440443657. The reversal of 57440443641 is 14634404475.

It is not a de Polignac number, because 57440443641 - 2⁵ = 57440443609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57440443593 and 57440443602.

It is not an unprimeable number, because it can be changed into a prime (57440443661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430110 + ... + 547608.

It is an arithmetic number, because the mean of its divisors is an integer number (5470800000).

Almost surely, 2^57440443641 is an apocalyptic number.

It is an amenable number.

57440443641 is a deficient number, since it is larger than the sum of its proper divisors (30092356359).

57440443641 is a wasteful number, since it uses less digits than its factorization.

57440443641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140788.

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 57440443641 in words is "fifty-seven billion, four hundred forty million, four hundred forty-three thousand, six hundred forty-one".