4557890531568 has 80 divisors (see below), whose sum is σ = 12846262715136. Its totient is φ = 1381039326720.

The previous prime is 4557890531549. The next prime is 4557890531657. The reversal of 4557890531568 is 8651350987554.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 4557890531499 and 4557890531508.

It is a congruent number.

It is an unprimeable number.

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, 4852380 + ... + 5715012.

Almost surely, 2^{4557890531568} is an apocalyptic number.

4557890531568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4557890531568 is an abundant number, since it is smaller than the sum of its proper divisors (8288372183568).

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

4557890531568 is a wasteful number, since it uses less digits than its factorization.

4557890531568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872662 (or 872656 counting only the distinct ones).

The product of its (nonzero) digits is 181440000, while the sum is 66.

The spelling of 4557890531568 in words is "four trillion, five hundred fifty-seven billion, eight hundred ninety million, five hundred thirty-one thousand, five hundred sixty-eight".