2560409490 has 16 divisors (see below), whose sum is σ = 6144982848. Its totient is φ = 682775856.

The previous prime is 2560409477. The next prime is 2560409497. The reversal of 2560409490 is 949040652.

It is not an unprimeable number, because it can be changed into a prime (2560409497) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42673462 + ... + 42673521.

It is an arithmetic number, because the mean of its divisors is an integer number (384061428).

Almost surely, 2^2560409490 is an apocalyptic number.

2560409490 is an abundant number, since it is smaller than the sum of its proper divisors (3584573358).

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

2560409490 is a wasteful number, since it uses less digits than its factorization.

2560409490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85346993.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2560409490 is about 50600.4890292574. The cubic root of 2560409490 is about 1368.0536928329.

The spelling of 2560409490 in words is "two billion, five hundred sixty million, four hundred nine thousand, four hundred ninety".