2575820490 has 64 divisors (see below), whose sum is σ = 6504019200. Its totient is φ = 652008960.

The previous prime is 2575820479. The next prime is 2575820521. The reversal of 2575820490 is 940285752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17211 + ... + 73809.

It is an arithmetic number, because the mean of its divisors is an integer number (101625300).

Almost surely, 2^2575820490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2575820490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3252009600).

2575820490 is an abundant number, since it is smaller than the sum of its proper divisors (3928198710).

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

2575820490 is a wasteful number, since it uses less digits than its factorization.

2575820490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56687.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2575820490 is about 50752.5417097509. The cubic root of 2575820490 is about 1370.7929573960.

The spelling of 2575820490 in words is "two billion, five hundred seventy-five million, eight hundred twenty thousand, four hundred ninety".