4557042 has 48 divisors (see below), whose sum is σ = 11494080. Its totient is φ = 1277856.

The previous prime is 4557041. The next prime is 4557043. The reversal of 4557042 is 2407554.

It is an interprime number because it is at equal distance from previous prime (4557041) and next prime (4557043).

It is a junction number, because it is equal to n+sod(n) for n = 4556997 and 4557015.

It is not an unprimeable number, because it can be changed into a prime (4557041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7128 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (239460).

Almost surely, 2^4557042 is an apocalyptic number.

4557042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4557042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5747040).

4557042 is an abundant number, since it is smaller than the sum of its proper divisors (6937038).

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

4557042 is a wasteful number, since it uses less digits than its factorization.

4557042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4557042 is about 2134.7229328416. The cubic root of 4557042 is about 165.7910226533.

The spelling of 4557042 in words is "four million, five hundred fifty-seven thousand, forty-two".