557623193640 has 128 divisors (see below), whose sum is σ = 1752242595840. Its totient is φ = 141693322496.

The previous prime is 557623193591. The next prime is 557623193657. The reversal of 557623193640 is 46391326755.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341779 + ... + 1109981.

It is an arithmetic number, because the mean of its divisors is an integer number (13689395280).

Almost surely, 2^557623193640 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 557623193640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876121297920).

557623193640 is an abundant number, since it is smaller than the sum of its proper divisors (1194619402200).

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

557623193640 is a wasteful number, since it uses less digits than its factorization.

557623193640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768503 (or 768499 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 557623193640 in words is "five hundred fifty-seven billion, six hundred twenty-three million, one hundred ninety-three thousand, six hundred forty".