4557861968 has 40 divisors (see below), whose sum is σ = 10140705120. Its totient is φ = 1962714240.

The previous prime is 4557861967. The next prime is 4557861977. The reversal of 4557861968 is 8691687554.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4557861967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678155 + ... + 684842.

It is an arithmetic number, because the mean of its divisors is an integer number (253517628).

Almost surely, 2^4557861968 is an apocalyptic number.

It is an amenable number.

4557861968 is an abundant number, since it is smaller than the sum of its proper divisors (5582843152).

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

4557861968 is a wasteful number, since it uses less digits than its factorization.

4557861968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363035 (or 1363029 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 59.

The square root of 4557861968 is about 67511.9394477747. The cubic root of 4557861968 is about 1658.0096588552.

It can be divided in two parts, 455786 and 1968, that added together give a palindrome (457754).

The spelling of 4557861968 in words is "four billion, five hundred fifty-seven million, eight hundred sixty-one thousand, nine hundred sixty-eight".