2600057420 has 48 divisors (see below), whose sum is σ = 5659965696. Its totient is φ = 1002240000.

The previous prime is 2600057407. The next prime is 2600057423. The reversal of 2600057420 is 247500062.

It is a self number, because there is not a number n which added to its sum of digits gives 2600057420.

It is not an unprimeable number, because it can be changed into a prime (2600057423) 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, 140720 + ... + 158120.

It is an arithmetic number, because the mean of its divisors is an integer number (117915952).

Almost surely, 2^2600057420 is an apocalyptic number.

2600057420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2600057420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2829982848).

2600057420 is an abundant number, since it is smaller than the sum of its proper divisors (3059908276).

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

2600057420 is a wasteful number, since it uses less digits than its factorization.

2600057420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17682 (or 17680 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2600057420 is about 50990.7581822432. The cubic root of 2600057420 is about 1375.0789896220.

Adding to 2600057420 its reverse (247500062), we get a palindrome (2847557482).

The spelling of 2600057420 in words is "two billion, six hundred million, fifty-seven thousand, four hundred twenty".