2557230542416 has 80 divisors (see below), whose sum is σ = 5446618179840. Its totient is φ = 1153445898240.

The previous prime is 2557230542411. The next prime is 2557230542423. The reversal of 2557230542416 is 6142450327552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557230542411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66698740 + ... + 66737068.

It is an arithmetic number, because the mean of its divisors is an integer number (68082727248).

Almost surely, 2^{2557230542416} 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 2557230542416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2723309089920).

2557230542416 is an abundant number, since it is smaller than the sum of its proper divisors (2889387637424).

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

2557230542416 is a wasteful number, since it uses less digits than its factorization.

2557230542416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41252 (or 41246 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 46.

Adding to 2557230542416 its reverse (6142450327552), we get a palindrome (8699680869968).

The spelling of 2557230542416 in words is "two trillion, five hundred fifty-seven billion, two hundred thirty million, five hundred forty-two thousand, four hundred sixteen".