57440219136 has 208 divisors, whose sum is σ = 160903217664. Its totient is φ = 18189647872.

The previous prime is 57440219129. The next prime is 57440219147. The reversal of 57440219136 is 63191204475.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47197600 + ... + 47198816.

Almost surely, 2^57440219136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57440219136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80451608832).

57440219136 is an abundant number, since it is smaller than the sum of its proper divisors (103462998528).

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

57440219136 is a wasteful number, since it uses less digits than its factorization.

57440219136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 57440219136 in words is "fifty-seven billion, four hundred forty million, two hundred nineteen thousand, one hundred thirty-six".