2821425510 has 64 divisors (see below), whose sum is σ = 6926072832. Its totient is φ = 735246336.

The previous prime is 2821425493. The next prime is 2821425511. The reversal of 2821425510 is 155241282.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821425511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1334214 + ... + 1336326.

It is an arithmetic number, because the mean of its divisors is an integer number (108219888).

Almost surely, 2^2821425510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2821425510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3463036416).

2821425510 is an abundant number, since it is smaller than the sum of its proper divisors (4104647322).

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

2821425510 is a wasteful number, since it uses less digits than its factorization.

2821425510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2821425510 is about 53117.0924467821. The cubic root of 2821425510 is about 1413.0456623607.

Adding to 2821425510 its reverse (155241282), we get a palindrome (2976666792).

The spelling of 2821425510 in words is "two billion, eight hundred twenty-one million, four hundred twenty-five thousand, five hundred ten".