4257542457524 has 24 divisors (see below), whose sum is σ = 8081389777608. Its totient is φ = 1954682332160.

The previous prime is 4257542457523. The next prime is 4257542457533.

4257542457524 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 1402017028624 + 2855525428900 = 1184068^2 + 1689830^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4257542457524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257542457521) 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, 763544999 + ... + 763550574.

It is an arithmetic number, because the mean of its divisors is an integer number (336724574067).

Almost surely, 2^{4257542457524} is an apocalyptic number.

It is an amenable number.

4257542457524 is a deficient number, since it is larger than the sum of its proper divisors (3823847320084).

4257542457524 is a wasteful number, since it uses less digits than its factorization.

4257542457524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527095635 (or 1527095633 counting only the distinct ones).

The product of its digits is 62720000, while the sum is 56.

The spelling of 4257542457524 in words is "four trillion, two hundred fifty-seven billion, five hundred forty-two million, four hundred fifty-seven thousand, five hundred twenty-four".